(
课件网) Unit 4 Do it yourself Grammar Teaching goals 1.To learn to use imperative sentences to give instructions. （学会使用祈使句表达指令。) 2.To learn to use “should” and “had better” to give advice. （学会用should和 had better 提出建议。 ） 1. Stand up. 3. Sit down. 4. Put up your hands. 2. Jump twice , please. 5. Touch your nose. I say, you do. Can you group my instructions into two parts 肯定形式 否定形式 *Stand up! *Turn left！ *Turn right! *Don’t move! *Don’t laugh! *Sit down, please ! When shall we use this kind of sentences [ 'sent ns] n.句子 Tell people what to do or tell people not to do sth Giving instructions(指令). [ m'per t v] 祈使句 They are called imperative sentences. Turn left! Don’t pick the flowers! Let me help you. Don’t be late again! Be quiet, please. Don’t park your car! Please go upstairs! Please don’t eat! work out the rules Do you find the subjects(主语)？ You You You You You You You You Rule 1: We needn't write the subject (主语) before the sentence. 1.-Jim, _____ me a tape. -All right. A. gives B. is giving C. will give D. give 2.Jim _____ his classmate some snacks. A. gives B. is giving C. will give D. give Turn left! Don’t pick the flowers! Be quiet, please. Do not park your car! Go upstairs,please! Please don’t eat! work out the rules Rule 2: We start the sentence with _____ of a verb to tell people what to do. the base form(原形) Rule 3: We start the sentence with_____in front of a verb to tell people not to do something. Don’t / Do not Rule 4: We put “please”_____ of the sentence. at the beginning/end Do you know why we use “please” To show politeness. 动词原形 Grammar ① Do型（以行为动词原形开头) Differnet types(种类) of impretive sentences ② Be型（以be开头） 肯定结构 否定结构 Don't +动词原形 Don't touch! 不要触摸！ let Don't let sb do sth Let sb not do sth 不要在墙上画画! Don't draw on the wall! 不要让Tom在课上睡觉！ Don't let Tom sleep in class! =Let Tom not sleep in class! Let me try. 让我试试看。 Sit down! 坐下！ Stand up! 起立！ Be quiet! 安静! Be careful 小心！ 祈使句通常表示将来要发生的动作，所以回答时，一般用will或won’t。 祈使句的回答 — Don’t forget to do your homework. A. OK, I don't B.OK, I won't C. No, I will D. Yes, I do. I won't (forget to do my homwork) Where can we see imperative sentences Futher thinking Drug instructions 药品说明书 Be quiet, please. Public situation 公共场合 cut draw write give keep look try _____ out pieces of card with a pair of scissors. _____ some words or a sentence on each card. Cut Write Help Millile complete the instructions cut draw write give keep look try _____ a picture about the words or sentence on the other side of the card. _____ at the picture and ___ to remember what is on the other side. Draw Look try Please _____ (not) up. ____ trying, and you will find you can remember things better. don’t give Keep 常见句型：祈使句+ and/or + 一般将来时 Tell people what we think is the best or ri ... ...
