1. Purpose, intention:
· I saved money
to buy a new car.
· I spend 3 hours
to get to work every day.
· Be careful
not to ask her about her boyfriend.
2. For this reason, it can be used after adjectives too:
· My house is
easy to find.
nice to hear from you!
3. And, naturally, after certain verbs:
agree, decide, expect, forget, help, hope, learn, need, offer, plan, pretend, promise, refuse, remember... etc.
· I learnt
to swim when I was 7.
· Sarah refused
to go out with John, but agreed to accept an iPhone as a present.
In some complex sentences, there can be
a finite form, an infinitive, and a gerund:
· In 2015, the Queen
to stop breeding corgis.