牛津译林版八年级英语上册课件：unit4doityourselfgrammar(共39张PPT)概要.ppt

1. 当我们向他人发出命令、提出要求或建 议时，常使用祈使句。其主语通常不明 确表示出来。其否定形式是在动词原形 前加do not/don’t。为了表示客气和礼 貌，可以加上please。 2. 当我们给他人提建议时，可以用had better和should，表示“最好”或“应该”做 某事。否定形式是had better not和 should not/shouldn’t。 I. 单项选择。 1. The TV is too loud. Please _______. A. turn it down?? B. to turn it down?? C. turn down it?? D. to turn down it2. _______ late again, Bill!　A. Dont to be?? B. Dont be?? C. Not be?? D. Be not 3. _______ cross the road until the traffic lights turn green. A. Not? B. Wont? C. Doesnt?? D.?Dont4. _______ me the truth, or Ill be angry.　A. Telling?? B. To tell?? C. Told?? D. Tell II. 句型转换。 1. Will you please read it again more slowly? (改为祈使句)　____ ___ again more slowly, please.2. If you dont listen to me, Ill go. (改为同义句) ______ ____ me, or Ill go.3. The teachers often tell the students not to be careless.?(改为祈使句)　____ ____ careless, please.4. Please sit next to Nancy.?(改为否定句)　____ ____ next to Nancy. Read it?? Listen to? Dont be? Dont sit III. 完成句子。 1. 你应该在南京换火车。 ____ ______ change trains at Nanjing. 2. 你最好在下雨前回家。 _____ ____ _____ _____ before the rain starts. 3. 现在你最好别打棒球了。 ___ ___ ____ ____ ____ baseball now. 4. 不要把金鱼放在阳光下。 ____ _____ the goldfish in the sun. You should Youd better go home You had better not play Don’t put 1、她不应该把她的女婴单独留在家。 She _____ _____ ______her baby daughter ___ ____ _____ ______. 我们最好赶快，否则就会误了火车。 We ____ ____ ______ ____or ____ ___ the train. 3.你应该吃饭前洗手。 You _______ ____ your hands ______ ____ meals. 4.服药前先将药瓶摇一摇(shake)。 _______ the bottle _____ _______ the medicine. 5.在卡片的另一面不要写任何东西。 ______ _____ ________ ___ ___ ____ ____ of the card. should not leave at home by herself had better hurry up we’ll miss should wash before having Shake be