Unit 1 Helping those in need 【重点语法知识】-2021-2022学年八年级英语下册链接教材精准变式练（深圳牛津版）

Unit 1 Helping those in need 教材重点语法知识链接及典型例题 Infinitives 原文呈现： 1. Three teenagers offered to do some voluntary work during the school holidays. 2. Cindy wanted to paint a picture of the park near her home. 3. Annie taught Tim to sing beautiful songs. 4. We want them to be happy. 5. Cindy used a brush to paint a picture of a park. 6. They went to the hospital to help the sick children. 7. Mum made me go to bed early. 总结： 1. 动词不定式的形式与特点 结构 例子 肯定形式“to+动词原形”（有的不带to) He asked me to play football with him. 他叫我和他一起踢足球。（带to) I saw a boy go across the road just now.我刚才看见一个男孩过了马路。（不带to) 否定形式“not to+动词原形” The teacher told me not to be late again. 老师告诉我不要再迟到。 2.用法：作宾语、宾语补足语、目的状语和主语 （1）不定式作宾语 结构 例子 ①动词＋to do sth. Suddenly it began to rain. (to rain 作 began的宾语）天突然开始下雨。 I hope to see the famous scientist. (to see 作hope的宾语）我希望见到这位著名的科学家。 常见的后接不定式作宾语的动词 want to do sth. 想做某事 promise to do sth. 承诺做某事 plan to do sth. 计划做某事 like to do sth. 喜欢做某事 refuse to do sth. 拒绝做某事 begin(start) to