infinitive.

同根派生

英汉例句

• In English an infinitive is often used with the word "to".
  英语中,不定词往往与"to"字连用。
• You should learn infinitive well.
  你应该把不定词学好。
• The infinitive of the verb'must'is wanting.
  动词must没有不定式形式。
• Remember to never split an infinitive.
  不要分断不定式,其中。
• Are you forbidden to ever split an infinitive?
  你是否被禁止分开不定词?