To + Infinitive Forms

F. To + Infinitive Forms: The infinitive of a verb has two forms: the "to-infinitive" and the infinitive without "to".
a. The to-form consists of "to" plus the base form of the verb. (e.g. We came here to work, not to play.)
b. The form without to consists of the base form of the verb. (e.g. She made us wait for half an hour.)
c. The negative infinitive is formed by putting "not" in front of any form of the infinitive ("not to ~"). (e.g. He asked me not to be late.)

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Idiom 365

On Top Form: in good physical condition
Example: I'm not good in this morning, but he looks on top form.

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