Commonly, an infinitive is used with the subject it. The sentence structure is "It is ____ + infinitive.…" It refers to the infinitive. This expression is used in many ways.
- It is time to do math.
- It is common to think that way.
- It is appropriate to keep a low profile.
- It was nice to see you.
- It was my pleasure to meet you.
- It was my honor to have dinner with you.
- It is good to see you.
- It was great to go on a trip with them.
Both gerunds and infinitive phrases can function as nouns, in a variety of ways. Gerunds and infinitives can follow certain verbs but not others. You need to remember which verbs can be followed by only a gerund or only an infinitive.
- Verbs that can precede only gerunds: consider, suggest, enjoy, deny, avoid, miss, mind, practice, postpone, resist, finish, quit, give up, put off
- Verbs that can precede only infinitives: offer, decide, hope, attempt, promise, agree, afford, deserve, refuse, undertake, learn, fail, seem, appear, tend, pretend, choose, demand, desire, guarantee, claim, manage, determine, expect, want, wish
- Verbs that can precede either gerunds or infinitives without changing meanings: continue, like, love, begin, start, propose, neglect, stand, hate
- Verbs that can precede either gerunds or infinitives but change meanings: forget, remember, stop, try
- I stopped watching the movie. (I no longer watched the movie.)
- I stopped to watch the movie. (I stopped what I was doing to watch the movie.)
Q. Fill in the blanks.
(i) I decided ____ (leave) the job.
(ii) She pretended ____ (know) me.
(iii) He desires ____ (be) a professor.
(iv) The company considered ____ (sell) its main building.
(v) I expect ____ (win) at this game.
(vi) Do you enjoy ____ (take) care of your pet?
(vii) She hopes ____ (go) on a vacation.
(viii) Did you fail ____ (pass) the exam?
(ix) They want me ____ (take) this position.
(x) It is great ____ (hear) that they agreed ____ (share) the land.
to hear, to share