There are some verbs which are usually only followed by to...:
afford, agree, allow, choose, decide, encourage, expect, forget, help someone, hope, learn, manage, mean, need, offer, persuade, pretend, promise, recommend, refuse, teach, train, try, want, would like
I´d like you to help me with the washing-up.
They promised to invite me to lunch.
I can´t afford to stay at the Ritz.
We managed to get a table by the window.
He didn´t mean to spill the soup.
We decided to have a drink in the pub.
He tried to open the lid of the jar.
She offered to help him.