Unit5 Section A Grammar Focus 课件2023-2024学年人教版八年级英语上册

Section A Grammar Focus-3c To review: talk about plans talk about views on TV shows ask and explain the reasons talk about TV shows more deeply To learn infinitives (to do) used as object: --What do you plan to do…? --I hope to …/I want to …/I plan to…/I expect to … 0 Do you want to watch the news? Yes, I do./ no, I don’t. What do you plan to watch tonight? I plan to watch Days of Our Past. What can you expect to learn from sitcoms? You can learn some great jokes. Why do you like watching the news? Because I hope to find out what’s going on around the world. What do you think of talk shows? I don’t mind them. / I can’t stand them./ I love watching them. Grammar Focus Read the sentences. 不定式有两种形式：一种是带to的不定 式，即to+动词原形；一种是不带to的不定式，即动词原形。 不定式(短语)在句中不能单独作谓语，但可以作主语、表语、宾语、定语、状语等。在本单元我们主要学习带to的不定式(短语)作宾语的用法。如： David wants to study in the USA. 不定式 【温馨提示】 目前学过的可跟带to的不定式作宾语的动词有like, love, want, hope, wish, expect, decide, try, plan, forget, remember, ask, help, need, learn, seem。 注意：help可接带to的不定式或不带to的不定式作宾语，其意思不变。 动词不定式的用法 语法透视 省to的不定式结构 能直接跟带to的不定式结构的动词主要有：want, ask, tell, hope, learn, try, decide, forget, remember, like, love, stop等。 动词不定式的否定形式是在不定式前直接加not，即not to do sth。 She wants to play the piano. 她想弹钢琴。 Jim told me not to wake up Kate. 吉姆告诉我不要叫醒凯特。 考点大观 易错辨析 通关训练 语法透视 2. 不带to的不定式结构。 在固定词组had better之后。注意：had better do sth.的否定形式是had better not do sth. 在let, make, see, feel, watch, hear等感官或使役动词后，要跟不带to的动词不定式作宾语补足语。 在引导疑问句的why not之后。 You had better go home now. 你最好现在回家。 I didn’t see you come in. 我没看见你进来。 Why not go with us? 为什么不和我们一起呢？ 动词不定式的用法 3. 动词不定式作主语。动词不定式作主语可以放在后面，而用it作形式主语放在原主语的位置上。 To master a language is not an easy thing. 掌握一门语言不是一件容易的事情。 It’s necessary to find the witness. 有必要找到目击者。 动词不定式的用法 4. 动词不定式作定语。动词不定式作定语，要放在它所修饰的名词或代词的后面。 I have nothing to say on this question. 对这个问题我无可奉告。 语法透视 5. 动词不定式作宾语 有的机及物动词要求跟复合宾语（即宾语+宾语补足语）。如果其中的宾语是不定式短语，则必须将形式宾语it放在宾语的位置上，而将不定式短语（真正的宾语）放在宾语补足语之前。 I find it useful to learn English well. 我