The phrasal verb 'take off' has many meanings. Let's find out more about how to use them. To 'take off' is to begin to fly. The past form is 'took off'. The aeroplane took off on time.

One of the earliest and most useful grammar rules in English is that a verb should always agree with its subject in both person and number.

As in the case of the noun, we adopt the hypothesis that all grammatical features originate here as a bundle of features together with the verb stem. How the grammatical features end up in the feature ...