Infinitive without to – English Grammar
The Infinitive without to – Examples
After the following phrases we use the Infinitiv without to:
1. after auxiliaries/modals
He can run very fast.
As a boy he could run very fast.
I may fly to Africa this summer.
I might fly to Africa this summer.
I must go now.
You mustn't smoke here.
You needn't go.
We shall sing a song.
We should sing a song.
She will cook a meal for his birthday.
She would cook a meal for his birthday.
2. after the auxiliary do
I don't know.
3. after the following structures
You had better clean up your room.
Susan would rather study for her exam tomorrow.
I would sooner read a book than watch this film.
Why not ask your neighbour for help?
why should we
Why should we go by car?
why should we not
Why should we not go by car?
4. after verbs of perception + object (action has finished)
She feels the rain fall on her face
I heard Peter sing a song.
Mandy noticed the boy climb the tree.
They saw him climb up the roof.
He watched the thieves steal a car.
5. after let
let + object
Sandy let her child go out alone.
The mother let her daughter decide on her own.
Let's go for a walk through the park.
6. after make + object
She made Peggy and Samantha clean the room.