Gerunds are the -ing form of a verb, and infinitives are the to + base form. These words can be confusing; they combine the meaning of a verb with the grammar of a noun. My father asked me to phone ...

Yee from Hong Kong writes: I'm so confused by the following verbs: hear, see, make, let and allow. Are these verbs followed by another verb in +ing form or to + base form? see / hear + object + verb ...