Gerunds and Infinitives
Gerunds
Infinitives
Is
Is
to + the base form of the verb
the present participle (-ing) form of the verb
Uses
Uses
After prepositions of place and time
To replace the subject or object of a sentence
After many adjectives
To show purpose
Examples
I stopped drinking beer
I stopped to drink beer
It means
It means
An event in the past in wich you stopped to do that action(in this case drink beer)
A moment when you stopped to do any action and you started to do that other action(in this case you stopped to do something and then you started to drink beer)