infinitive

US /ɪnˈfɪn.ə.t̬ɪv/
UK /ɪnˈfɪn.ə.t̬ɪv/
"infinitive" picture
1.

the basic form of a verb, without an inflection binding it to a particular subject or tense (e.g., go, be, run).

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In the sentence 'I want to go home,' 'to go' is an infinitive.
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Many verbs can be used as an infinitive with or without 'to'.
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base formroot form
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infiniteinfinitely