使役动词后不定式符号to的省略问题

使役动词后不定式符号to的省略问题

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在英语学习中，使役动词后不定式符号to的使用规则常常让学习者感到困惑。本文将详细讲解这一语法点的两种主要情况，帮助读者更好地掌握这一知识点。

第一种情况：let, make, have等使役动词后作宾语补足语时，不定式必须省略to

当不定式用于let, make, have等使役动词后作宾语补足语时，不定式必须省略to。例如：

• Let me give you a piece of advice. 让我给你一个忠告。
• He had his son clean the car. 他叫他的儿子擦车。
• They made me repeat the whole story. 他们非让我把整个事件再说一遍。

但是，当使役动词用于被动语态时，其后的不定式则必须要带to。例如：

• 虽然他以前经常把他小妹妹弄哭，但今天他被他小妹妹弄哭了。
• 误：Though he had often made his little sister cry, today he was made cry by his little sister.
• 正：Though he had often made his little sister cry, today he was made to cry by his little sister.

需要注意的是，表示使役意义的let和have很少用于被动语态。

第二种情况：force, get, oblige等动词后接不定式作宾语补足语时，不定式必须带to（不能省略）

表示"使"、"迫使"的force, get, oblige等动词后接不定式作宾语补足语时，不定式必须带to。例如：

• They forced her to sign the paper. 他们强迫她在文件上签字。
• The police obliged him to leave. 警方强迫他离开。
• Once she has decided on doing it, you won’t get her to change her mind. 一旦她下决心干，你就别想使她改变主意。