U2 Period 4A(Grammar-4c)

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1、Period 4Section A(Grammar focus-4c)Teaching aims1.To be able to understand how to use new words and phrases.2.Let students be able to use the infinitives.3.Helping other people can make yourselves happy1. You could ask hospitals to let you visit the kids and cheer them up.2. The boy could give out f

2、ood at the food bank.3. -I need to get some money. What should I do? - I think maybe you could get a part-time job.4. - Could you let me have your homework? - Sorry.语气：语气：作用：作用：汉语意思：汉语意思：委婉委婉建议或劝告建议或劝告可以；不妨可以；不妨观察与发现观察与发现( (一一) )Id like to help homeless people.She decided to try out for a volunteer

3、after-school reading program.You could ask hospitals to let you visit the kids and cheer them up. Grammar FocusMario believes it can help him to get his future dream job.She volunteers there once a week to help kids lean to read.Im making some signs to put up around the school.Id like to help homele

4、ss people.2. She decided to try out for a volunteer.3. You could ask hospitals to let you visit the kids.4. Mario believes it can help him to get his future dream job.5. She volunteers there once a week to help kids learn to read.6. Im taking some signs to put up around the school.观察与发现观察与发现( (二二) )

5、toto不定式不定式宾语宾语 want, hope, wish, like, begin, try, agree, help宾补宾补谓语谓语+宾语宾语+宾补宾补(to do)状语状语 动词不定式是一种动词不定式是一种非谓语动词形式非谓语动词形式，其结构为其结构为“toto动词原形动词原形”，其中其中toto不是不是介词，而是动词不定式的符号，称为小品介词，而是动词不定式的符号，称为小品词，动词不定式词，动词不定式没有人称和数的变化没有人称和数的变化。动。动词不定式和其后面的名词等构成不定式短词不定式和其后面的名词等构成不定式短语，在句子中可以用作语，在句子中可以用作主语、表语、宾语、主语、表语

6、、宾语、补足语、定语、状语补足语、定语、状语等。本单元主要学习等。本单元主要学习其作宾语，状语，宾补的用法。其作宾语，状语，宾补的用法。( (一一) )动词不定式动词不定式 一一. 作宾语作宾语 动词不定式（短语）可以放在一些动词后动词不定式（短语）可以放在一些动词后面用作宾语，面用作宾语，能以动词不定式作宾语的动词能以动词不定式作宾语的动词有：有：begin, want, remember, agree, learn, like, decide, fail, pretend, demand, refuse等。等。例：例： I want to tell you a story. They be

7、gin to work at eight every morning. Dont forget to lock the door. Would you like to go and have a picnic with us tomorrow? 二二. 作宾语补足语。作宾语补足语。例如：例如： The teacher asked us to read English for half an hour in the morning. The teacher often tells Jim not to spend too much time playing computer games. Ple

8、ase let me help you. 动词不定式作宾语补足语，表示宾语所做的动动词不定式作宾语补足语，表示宾语所做的动作，可以用动词不定式作宾语补足语的动词有：作，可以用动词不定式作宾语补足语的动词有：tell, ask, want, like, invite, encourage, help等。等。但在但在let, make, see, watch, hear, feel, notice, have等感官听觉动词或使役动词等感官听觉动词或使役动词后面作宾语补后面作宾语补足语的动词不定式一般要省略动词不定式符号足语的动词不定式一般要省略动词不定式符号“to”，可以归纳为以下三种句式：，可以

9、归纳为以下三种句式：1.不可以省不可以省to的不定式作宾语补足语：的不定式作宾语补足语：tell /ask / want / would like / wish / suppose / invite /encourage /teach/ depend on等等 + sb.+ to do sth. 例：例： The teacher told us to come earlier tomorrow. I want you to go now. Her parents wish her to be a teacher. 2.省省“to”的不定式作宾语补足语：的不定式作宾语补足语： Let / mak

10、e / have + sb. +do sth. Let the boy go out now. The boy made the baby cry. see / watch / hear / notice / feel + sb. +do sth. I saw the students play basketball on the playground yesterday. I often hear the girl sing in the next room. 3.可省可不省的：可省可不省的： help sb. （to）do sth. I often help my mother （to）d

11、o housework.否定形式：否定形式：（1）动词不定式的否定式是直接在）动词不定式的否定式是直接在to之前加之前加not. 例：例：Tell them not to play football in the street. （2）省）省to的动词不定式的否定式是直接在动的动词不定式的否定式是直接在动词前面加词前面加not. 例：例： Let the boy not go.三三. 作状语作状语:（1）作目的状语。如：）作目的状语。如：He stopped to have a rest. 强调动词不定式所表示的目的时，动词强调动词不定式所表示的目的时，动词不定式可用不定式可用in order