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动词不定式是英语中的一个重要语法结构,也是初二英语中的重点内容之一。它的形式为"to + 动词原形",在句子中可以作为主语、宾语、表语、定语等。今天我们来归纳一下初二英语中常见的动词不定式用法。
作主语
动词不定式作主语时,常用于以下句型:
- It + be + 形容词 + (for sb.) + to do sth. 例:It is important for us to learn English well.
- To do sth. + be + 形容词 + (for sb.) 例:To be confident is important for us.
作宾语
动词不定式作宾语时,常用于以下句型:
- 动词 + (sb.) + to do sth. 例:I want you to help me with my homework.
- 动词 + (sb.) + not + to do sth. 例:She told me not to be late for the meeting.
作表语
动词不定式作表语时,常用于以下句型:
- It + be + 形容词 + (for sb.) + to do sth. 例:It is easy for us to make mistakes.
- Sth. + be + 形容词 + (for sb.) + to do 例:The best way to learn English is to practice every day.
作定语
动词不定式作定语时,常用于以下句型:
- 名词 + to do sth. 例:A book to read is on the desk.
- 形容词 + to do sth. 例:I need a pen to write with.
以上就是初二英语中动词不定式的常见用法。希望同学们能够掌握并灵活运用这一语法结构,提高英语应用能力。