1
the infinitive with 'to'
带to的不定式也称为完整不定式。
The infinitive with 'to' is the most common form.
带to的不定式是最常见的形式。
不定式；动词原形
infinitives — plural of infinitive
先理解核心含义，再看它在真实句子里的用法。
不定式；动词原形
The basic, uninflected form of a verb (e.g., 'go' in 'to go'), also called the infinitive mood.
The infinitive with 'to' is the most common form.
带to的不定式是最常见的形式。
不定式语气或方式(一种语法语气)。
The infinitive mood or mode (a grammatical mood).
动词的不定式形式
the uninflected form of the verb
一种非限定动词形式,在屈折变化上视为中性；不同语言中用法各异,常与助动词连用、用于从句、作动名词或作为词典形式。
A non-finite verb form considered neutral with respect to inflection; depending on language variously found used with auxiliary verbs, in subordinate clauses, or acting as a gerund, and often as the dictionary form.
由动词不定式构成的动词性名词。
A verbal noun formed from the infinitive of a verb.
The infinitive can function as a noun, adjective, or adverb in a sentence.
不定式在句子中可以充当名词、形容词或副词。
After modal verbs, we use the bare infinitive without 'to'.
在情态动词之后，我们使用不带“to”的不定式。
Learning how to form the infinitive is essential for mastering English grammar.
学习如何构成不定式对于掌握英语语法至关重要。
带to的不定式也称为完整不定式。
The infinitive with 'to' is the most common form.
带to的不定式是最常见的形式。
不带to的不定式也称为零不定式。
The bare infinitive is used after modal verbs.
不带to的不定式用于情态动词之后。
不定式作主语时，谓语动词用单数。
The infinitive as subject is considered singular.
不定式作主语被视为单数。
Not this
I enjoy to read books.
Use this
I enjoy reading books.
英语中某些动词（如 enjoy）后只能接动名词作宾语，不能接不定式。
Not this
I have a book to reading.
Use this
I have a book to read.
不定式作定语时，动词用原形，不可用动名词形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
分裂不定式
The phrase 'to boldly go' is a split infinitive.
短语'to boldly go'是一个分裂不定式。
不定式短语
An infinitive phrase can function as a noun, adjective, or adverb.
不定式短语可以充当名词、形容词或副词。
不带to的不定式
After modal verbs, we use the bare infinitive.
情态动词后我们用不带to的不定式。
不定式从句
The infinitive clause 'to finish on time' is the subject.
不定式从句'to finish on time'是主语。
带to的不定式
Most verbs are followed by the to-infinitive.
大多数动词后跟带to的不定式。
不定式形式
The infinitive form of 'runs' is 'to run'.
'runs'的不定式形式是'to run'。
Use infinitives naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
in-（不）+ finite（有限）→ 不定式不受人称数限制，是动词的无限形式。
[object Object]
不定式作为名词时，可数，通常与'to'构成不定式短语。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.