English Grammar - Infinitive

Infinitive or base form

THE INFINITIVE 1. Form The infinitive is the base form of a verb. It may be preceded by 'to' (the to-infinitive) or stand alone (the b...

The Zero Infinitive

THE ZERO INFINITIVE The zero infinitive is used: after most auxiliaries (e.g. must, can, should, may, might) after verbs of perception,...

Forming the negative infinitive

NEGATIVE INFINITIVE To form the negative infinitive, place not before the to- or zero infinitive: e.g. not to worry: It's hard not to wo...

The infinitive after question words

THE INFINITIVE INFINITIVE AFTER QUESTION WORDS These verbs: ask, decide, explain, forget, know, show, tell, understand, can be followed by a que...

How and when to use the infinitive

How and when to use the infinitive FUNCTION The most common uses of the infinitive are: To indicate the purpose or intention of an action (...

Other infinitive forms

Other infinitive forms OTHER FORMS The infinitive can have the following forms: The perfect infinitive The continuous infinitive Th...

Verbs usually followed by the infinitive

Verbs usually followed by the infinitive VERBS NORMALLY FOLLOWED BY THE INFINITIVE A. The to-infinitive is used after the verbs in this group,...

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