Unit 4 Road safetyIntroduceT: Hello, boys and girls!S: Hello, Miss Tang.T: Nice to see you.S: Nice to see you, too. Words wait [weɪt] 作为动词，意为：等候 , 等待 固定词组： wait for 意为“等待，等候某人” eg ： He is waiting for his daughter in the music room.小练习：汉译英：等我 ____________拓展： wait and see 为固定词组，意为“走着瞧”。 eg ： let’s wait and see. 让我们走着瞧。wait for meWordswalk [wɔ:k] 作动词，意为走。同义词组为： go on foot Let’s walk to school.= Let’s go to school on foot. 让我们步行去学校。小练习：汉译英：步行去超市 ____________ 拓展：（ 1 ） walk up to sb. 意为“朝某人走过去”。 eg ： The park keeper walks up to him. 公园管理员朝他走过去。 （ 2 ）作名词，意为“步行”。 eg ： We went for a walk in the countryside. 我们在乡间散步。 walk to the supermarketWordsrun [rʌn] 动词，意为“跑”。 eg ： The boy is running in the playground.小练习：单项选择：（ ） He _____ after the thief along the street last night. A. ran B.runs拓展：（ 1 ） run after sb. 为固定词组，意为“追赶某人”。 eg ： The cat is running the mouse. 猫正在追赶老鼠。 AExpressionsThere’s a red man. there be 句型意为“有”；此句型分为： there is / are... ； there is 后接单数名词或者不可数名词； there are 后接复数名词。 eg ： There is a new car. 有一辆新汽车。小练习： There ______two books on the desk. A: is B: are拓展： there be 句型要遵守就近原则 eg ： There is a pen and two books..BExpressionsDon’t run!不要奔跑！ eg ： Don’t talk in the class. 在课上不要讲话。小练习：所给词的适当形式填空： Don’t_____ (run) in the classroom.拓展：由 don’t 引导的祈使句也表示不要干某事，后面接动词的原形 eg ： Don‘t be late . 别迟到。runDialogueStop! There’s a red man. 红灯停。We mustn’t walk now. 我们现在不好走。We must wait for the green man.我们必须等到绿灯。There he is! Now we can walk,But don’t run!现在是绿灯了。我们可以走了，但是不能奔跑。SummarywaitwalkrunThere’s a red man.Don’t run!Exercise单项选择（ ） 1."Could I call you by your first name?" "Yes, you ___." A. will B. could C. may D. might（ ） 2. You___ walk for miles and miles among the hills without meeting anyone. A. must B . need C. may D. shoul（ ） 3. I wasn't sure whether I___ offer to help or not. A. should B . might C. would D. neededCCA Exercise（ ） 4.____someone get into trouble, please dial 110. A. Should B. If C. Shall D. May（ ） 5. Why____ it get colder when we go up a mountain? We are getting nearer to the sun! A. ought to B . would C. should D. must ACHomeworkKnow the traffic signs.
