Here is a brief review of the differences between gerunds and infinitives.
|Gerunds are formed with ING:||walking, talking, thinking, listening|
|Infinitives are formed with TO:||to walk, to talk, to think, to listen|
Gerunds and infinitives can do several jobs:
|Both gerunds and infinitives can be the subject of a sentence::|
To write in English is difficult.
|Both gerunds and infinitives can be the object of a verb::|
I like to write in English.
|Only gerunds can be the object of a preposition::|
It is often difficult to know when to use a gerund and when to use an infinitive. These guidelines may help you:
|Gerunds are often used when actions are real, concrete or completed::|
(The smoking was real and happened until I stopped.)
|Infinitives are often used when actions are unreal, abstract, or future::|
(I was doing something else, and I stopped; the smoking had not happened yet.)