Verb + to-Infinitive

Many verbs are followed by to + base form (the to-infinitive):

• want, need, decide, hope, plan, promise
• offer, learn, refuse, afford, manage

We decided to stay at home. They can't afford to buy a house.

With ask, tell and want, the person comes between the verb and to: She asked him to wait. Her parents want her to study medicine. (not want that she studies)

After let and make + person, use the bare infinitive, without to: My parents let me stay out late. The dentist made me wait. That joke makes me laugh.

Common phrases: Let me help you. Please let me know.