Unit 4 第4课时 Grammar（同步课件）-八年级英语上册同步精品课堂（牛津译林版）

Unit 4 Do it yourself Grammar Learning aims To learn to give instructions To learn to use should & had better How is Peter like ? Is he good at sports ? His future plan is to become a doctor ,right ? Lead in Task 1 Park your bike here. Please go slowly. Look and say Don’t smoke here. Don’t fish here. How is Peter like ? Is he good at sports ? His future plan is to become a doctor ,right ? Sum up Task 2 Giving instructions 一、祈使句的概念 祈使句表示请求、命令等。它的主语是you（听话人），通常不说出。祈使句肯定结构中的谓语动词一律用动词原形。祈使句末用惊叹号或句号，句子用降调。 二、 祈使句的结构 1) 祈使句的肯定结构 ① Do型（以行为动词原形开头），例如： Sit down!坐下！  Stand up!起立！ ② Be型（以be开头），例如： Be silent!安静！ Be careful！小心！ ③ Let型（以let开头），例如： Let me have a try. 让我试试看。 Let’s look at the map. 让我们看看地图。 ● let’s是let us的简略式。 ● 表示请求、劝告的祈使句还常常在句前或句末加上please, 构成句式：Please …或 …, please. 以使语气更加缓和或客气。 Please come in. 或 Come in, please. 请起立。 Please have a rest. 或 Have a rest, please. 请休息一下。 2) 祈使句的否定结构，一律在肯定结构前加 Do not (Don’t)。 Don’t go there, please. 请别去那儿。 Don’t be late for class! 上课别迟到！ Don’t let him in.  不要让他进来。 Don’t be late, will you? Don’t make so much noise, Lily, will you? Be careful, will you? Don’t…, will you? Be…, will you? 祈使句的反义疑问句 Let’s go and make badminton, shall we？ Let’s…, shall we? Attention How is Peter like ? Is he good at sports ? His future plan is to become a doctor ,right ? Practice Task 3 1. Cut out pieces of card with a pair of scissors 2. Write some words on the card. Practise How to make cards 3. Draw a picture on the other side of the card. 4. Look at the picture and try to say what is on the other side. Don’t give up. Keep trying. Practise 1. _____ (醒) up, Eddie! 2. Great! _____ （让我们）celebrate the festival. 3. _____ happy at the party. 4. ___________ (不要打开) the door. 5. OK. ____ (给) me ten more apples. 6 ________up(赶快), or we will be late. 7. ________(不要) afraid. Come with me. Wake Let’s Be Give Hurry Don’t be More practice Don’t open How is Peter like ?