the basic form of a verb. In English, this form of the verb together with the word ‘to' in front of it is usually called a to-infinitive, and the verb form on its own is usually called a bare infinitive. (动词)原形,不定式
ADJECTIVE | VERB + INFINITIVEADJECTIVE➤bare不帶 to 的不定式◇Modal verbs generally take the bare infinitive.情態動詞通常用不帶 to 的不定式。➤perfect不定式完成式◇You use 'have' to form the perfect infinitive of a verb.用 have 一詞構成動詞不定式的完成式。➤passive不定式的被動語態▸➤split分裂不定式◇The use of the split infinitive is now generally acceptable.分裂不定式的用法現在已被廣泛接受。VERB + INFINITIVE➤form構成不定式▸➤take用不定式▸➤split分裂不定式