Gerund And Infinitive

A. plan ✓
This sentence needs the simple present tense to express a future intention or decision. "I plan to visit" is the correct structure.

Why the others are wrong:
- B. planning – Creates an incomplete verb phrase; "am planning" would work, but "planning" alone isn't a valid conjugation here
- C. planned – Past tense doesn't fit; you're talking about the future, not something already done
- D. have plan – Incorrect grammar; the correct form would be "have planned" (present perfect), which also doesn't fit this future intention context

A. going ✓

After the verb "suggested," you need a gerund (verb + -ing). This is the correct grammar pattern: "suggest + -ing form."

Why the others are wrong:
- B. goes — This is present tense, but you can't use a regular verb form after "suggested"
- C. went — This is past tense; same issue as B
- D. go — This is the base form, but "suggest" doesn't take the infinitive (to go); it takes the gerund

Why A is correct:
After "mind," you need a gerund (verb + -ing). "I don't mind watering" means you're willing to do the action of watering.

Why others are wrong:
- B (watered): Past tense doesn't fit; you're not talking about something already done.
- C (waters): Present tense doesn't work here; you need the -ing form after "mind."
- D (have water): This creates an incomplete, ungrammatical phrase; "have water" isn't the right verb form.

A. finish ✓

After the modal verb "can't," you need the base form of the verb (infinitive without "to"). "Can't finish" is correct.

• B. finished — Wrong form; past tense doesn't work with "can't"
• C. finishes — Wrong; this is third-person singular, but modals don't change the verb form
• D. have finish — Wrong; "have" needs "finished" (past participle), not "finish"

Why A is correct:
After "would you like," we use the infinitive form (to + verb). This is standard grammar for expressing preferences or desires.

Why the others are wrong:
- B (watches): This is third-person singular present tense, but we need an infinitive, not a conjugated verb.
- C (watching): This is a gerund (verb + -ing), which doesn't work after "would you like." We use gerunds after other verbs like "enjoy" or "finish," but not this one.
- D (watched): This is past tense, which doesn't fit the meaning—you're asking about doing something in the future, not something already done.

A. to do ✓

"Forget" is a verb that requires an infinitive (to + verb) when talking about not doing something you were supposed to do. "He forgot to do his homework" means he didn't remember to complete it.

B. done — This is a past participle, not an infinitive. You'd only use this in phrases like "he forgot [that it was] done."

C. did — This is past tense, but "forget" doesn't pair with simple past verbs in this structure.

D. does — This is present tense and doesn't fit the grammar rule for "forget."

A. to renew — Correct. After "need," you must use the infinitive form "to renew" (need + to + verb).

B. renew — Wrong. You can't use the bare verb without "to" after "need."

C. renews — Wrong. This is third-person singular present tense, but it doesn't fit the grammar structure after "need."

D. renewed — Wrong. This is past participle, but the sentence requires an infinitive to show the action they must take.

Correct answer: afford

"Afford" means you don't have the time, energy, or resources to do something. "I can't afford to lie in bed all day" means you don't have the luxury of doing it—you're too busy or it would have bad consequences.

Why the others are wrong:

• Learn: You don't need to "learn to lie in bed"—it's a natural ability everyone has.
• Search: "Search to lie in bed" doesn't make logical sense; lying in bed isn't something you search for.
• Promise: "Promise to lie in bed" is grammatically possible but doesn't fit the meaning. The sentence is about what's practical/possible, not about making commitments.

A. to learn ✓

After "would like," you need the infinitive form of the verb (to + verb). "To learn" is the correct infinitive.

Why the others are wrong:
- B & C (learnt/learned): These are past tense forms, but we need an infinitive to express what she wants to do in the future.
- D (learns): This is present tense, but it doesn't follow the "would like" structure, which requires an infinitive.

Correct answer: A (going)

After the verb "suggest," you need a gerund (verb + -ing form), not a base verb or other tense. The structure is "suggest + gerund" (e.g., "I suggest going," "She suggests staying").

Why others are wrong:
- B (goes) — This is third-person singular present tense; it doesn't follow "suggest"
- C (go) — Base verbs don't work after "suggest"; you need the -ing form
- D (went) — Past tense doesn't fit; "suggest" takes gerunds, not past forms

A. want ✓

• This sentence needs a simple present tense verb to express what you intend to do now/soon. "Want" is the correct form.

Why the others are wrong:
- B. wanting — This is a gerund (verb as noun) or present participle; it doesn't work as the main verb here.
- C. wanted — Past tense doesn't fit; you're talking about tonight (future), not something that already happened.
- D. have want — Incorrect grammar; the past participle would be "wanted," making it "have wanted," but that's not needed for this simple intention.

Why A is correct:
"Plans" is the simple present tense, which expresses her current intention or decision about the future. It's the natural way to state what someone intends to do.

Why the others are wrong:
- B (planning): This is a participle form, not a complete verb. You'd need "is planning" to make a full verb phrase.
- C (planned): Past tense doesn't fit—she hasn't studied medicine yet; this is about her future intention.
- D (will plan): This suggests uncertainty or a future decision, but "plans" is more natural for stating a definite intention she already has.

A. promise ✓

This sentence needs a simple present tense verb to express a general habit or commitment ("I always call"). "Promise" is the correct base form that works with "I."

Why the others don't work:
- B. promising – This is a gerund/present participle; it changes the meaning and grammar structure of the sentence.
- C. promised – Past tense doesn't fit; you're describing something you do regularly, not something you did once.
- D. have promise – This is grammatically incorrect; it would need "have promised" (present perfect), which doesn't match the meaning of "always call."

A. decided ✓
The sentence needs a past tense verb to show a completed action. "Decided" is the correct past tense form of "decide."

B. deciding ✗
This is a gerund/present participle—it describes an ongoing action, not a completed one. The sentence structure doesn't support it here.

C. decide ✗
This is base form and doesn't fit the context, which implies he already made this choice (past action).

D. has decide ✗
This is grammatically broken. "Has" requires a past participle, which would be "has decided," not "has decide."

A. would like ✓
This expresses a desire or preference in a natural, grammatically correct way. "They would like to play tennis" means they want to play.

B. will
"They will to play" is grammatically incorrect. "Will" needs an object or proper structure; you can't use "will" directly before "to + verb."

C. have would
This is nonsensical word order. "Have would" is never a correct English construction.

D. had would
This mixes past tense ("had") with conditional ("would") incorrectly. This structure doesn't exist in English.

A. walking ✓

After "enjoy," you need a gerund (verb + -ing), not a base verb. "Enjoy walking" is correct grammar.

• B. walk – Wrong. You can't say "enjoy walk"; this is the base form, not the gerund.
• C. walked – Wrong. Past tense doesn't fit here; you're describing something you do regularly.
• D. has walked – Wrong. This is present perfect, which doesn't work after "enjoy."

Why A is correct:
After "finished," you need a gerund (verb + -ing), not a base verb. "Finished reading" means she completed the action of reading.

Why the others are wrong:
- B (read): Base verbs don't work after "finished"—you need the -ing form
- C (write): Wrong verb entirely (the sentence is about reading, not writing)
- D (have written): This is a past participle form that doesn't fit the grammar pattern after "finished"

• A (going) is correct — After "suggested," we use a gerund (verb + -ing). "Suggest" is one of those verbs that takes a gerund, not a base verb.

• B (go) is wrong — This is the base form, which doesn't work after "suggested." You wouldn't say "suggested go."

• C (will go) is wrong — Future tense doesn't fit here. "Suggest" doesn't take a future tense verb.

• D (went) is wrong — Past tense doesn't make sense. He's suggesting something for tonight, not the past.

Why A is correct:
After "mind," you need a gerund (verb + -ing form). "Don't mind staying late" is the correct structure.

Why the others are wrong:
- B (stay): Base verbs don't work after "mind"—you need the gerund form.
- C (stayed): Past tense doesn't fit here; we're talking about a general activity, not something that already happened.
- D (have stayed): Present perfect is unnecessary and awkward; gerunds, not perfect tenses, follow "mind."

A. to leave ✓

After "need," you must use the infinitive form (to + base verb). "Need to leave" is the correct structure for expressing necessity.

Why the others are wrong:
- B (leaving) – This is a gerund/participle form, but "need" requires an infinitive, not -ing
- C (left) – Past tense doesn't fit; you're talking about a future action
- D (to leaves) – Infinitives always use the base form of the verb (leave), never with -s ending

A. playing ✓

After the verb "stopped," you need a gerund (verb + -ing form) to show what activity ended. "Stopped playing" means he quit the activity.

Why the others are wrong:
- B. plays – Present tense doesn't work here; we need a gerund, not a simple verb
- C. played – Past tense is incorrect; gerunds don't change to past tense after "stopped"
- D. will play – Future tense doesn't make sense; he already stopped, so there's no future action

A. Swimming is correct because it's a leisure activity you can enjoy doing during vacation. The sentence needs a gerund (verb+ing) that describes a pleasurable action.

B. Wanting is wrong—it means to desire something, not an activity you do for enjoyment.

C. Deciding is wrong—it means making a choice, not something you enjoy as a vacation activity.

D. Learning is wrong—while possible, it's not a typical enjoyable vacation activity in the ocean (you'd more likely say "learning to swim" as a process, not just "learning").

Why A is correct:
After "suggested," you need a gerund (verb + -ing). "Suggested watching" follows the grammar rule that certain verbs like suggest, enjoy, and avoid are followed by gerunds, not base verbs.

Why the others are wrong:
- B (watches): This is present tense third person, which doesn't fit after "suggested"
- C (watch): This is the base verb form; it's only used after modal verbs like "can" or "should," not after "suggested"
- D (watched): Past tense doesn't make sense here; you're suggesting something for the future

Why A is correct:
After the verb "mind," you need a gerund (verb + -ing). The phrase is "don't mind working late" — this structure uses the gerund to describe the activity.

Why the others are wrong:
- B (works): This is present tense, but you can't use a regular verb after "mind" — gerunds are required here.
- C (worked): Past tense doesn't fit; "mind" doesn't take past tense verbs in this construction.
- D (will work): Future tense won't work; "mind" needs a gerund, not a future verb form.

A. to bring ✓

After the verb "forget," you need the infinitive form (to + base verb). "Forget to bring" is the correct structure when someone repeatedly fails to remember to do something.

Why the others are wrong:
- B. brought — This is past tense; you need an infinitive, not a completed action
- C. have bring — This is grammatically incorrect; "have" needs a past participle (have brought), not a base verb
- D. brings — This is present tense without "to"; it changes the meaning and breaks the "forget + infinitive" rule

A. to take ✓

After "would like," you need the infinitive form (to + base verb). "Would like to take" is the correct structure for expressing a desire or preference.

Why the others are wrong:
- B. taking – Gerunds (-ing forms) don't work after "would like"; this structure is grammatically incorrect
- C. took – Past tense doesn't fit; we're expressing a future desire, not something that already happened
- D. to taking – This combines the infinitive marker "to" with a gerund, which is a non-existent form in English