动词原形
- 网络should;do sth
动词原形-
当我们叫别人做什么事时（使句）我们以动词原形开头造句。
We start a sentence with the base form of a verb when we want to tell people what to do .
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传统英语教学语法认为to在动词原形前只起不定式符号的作用，没有词汇意义。
Traditional English pedagogical grammar assumes that to in an infinitive has no lexical meaning and serves merely as a marker of the infinitive .
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背诵并写出一个名词或动词的原形。
Recite and write a noun or a verb in original shape .
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在不定式符号“to”后面，不能用动词的过去形式，应该用动词原形。
Don 't use the past form of the verb after the infinitive sign " to "; the root form should be used .