"simple, uninflected form of a verb," 1510s (mid-15c. as an adjective), from Late Latin infinitivus "unlimited, indefinite," from Latin infinitus (see infinite). "Indefinite" because not having definite person or number.
实用例句
1. The use of the split infinitive is now generally acceptable.
分裂不定式的用法现在已被广泛接受.来自《简明英汉词典》
2. Modal verbs generally take the bare infinitive.
情态动词通常用不带to的不定式.来自《简明英汉词典》
3. In English an infinitive is often used with the word " to ".
英语中,不定式往往与 " to " 字连用.来自辞典例句
4. The verb " let " , unlike " permit " , is construed with an infinitive omitting the " to ".
动词 " let " 与 " permit " 不同, 习惯上与不带"to"的不定词连用.来自辞典例句
5. Infinitive in the title on behalf of the future actions or events.
