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1、Unit 8 How do you make a banana milk shake单元语法小专题Grammar Focus语法精讲2 一、祈使句的运用祈使句是表示命令、请求别人做某事或征求对方意见的句子。祈使句很大一部分直接用动词原形开头，成了典型的“无主句”。如：Come to school earlier next time.下次早点来学校。Li Ping, answer the question, please.李萍，请回答这个问题。祈使句一般在运用中，常可在句首或句尾加上“please”, please意为“请”，放在句尾时一般用“，”与前面的句子隔开，祈使句通常又可分为下面几种类型
2、：1.肯定祈使句，一般将动词原形放在句子开头。如：Stand up, please.起立。Be more careful next time.下次仔细点。2.否定祈使句，一般在肯定祈使句前加上dont构成，表示“不要”之意。如：Lucy，dont watch TV any more.露西，不要再看电视了。Please dont do it like that!请不要再像那样做了！3.以“let”开头的祈使句，let意为“让”，一般句子结构为“let sb. do sth.”。如：Let us go out for a walk, Mr.Wu.吴先生，我们去外面散步吧。Let your fath
3、er come to visit me this afternoon.让你爸爸今天下午来见我。二、可数名词与不可数名词 普通名词分为可数名词和不可数名词。可数名词可以用具体的数词来修饰，也可以用“数词+计量名词+of+可数名词的复数形式”来表示。如：three apples三个苹果；two bags of watermelons两袋西瓜。 不可数名词没有复数形式，表示量时用“数词+计量名词+of+不可数名词”结构。如：a cup of milk一杯牛奶。 可数名词的量可以用how many提问；不可数名词的量可以用how much提问。 some, any, a lot of, lots of
4、等既可以修饰可数名词，又可以修饰不可数名词。语法精练.用括号内所给单词的适当形式填空。1._ (open)the door, please!2._(not make)any noise in class!3.How many _(tomato)do we need?4.How much _(water)is there in the bottle?5.Let him _(go), please.6. There is a lot of _ (water) in the bottle. 7. The _ (child) are playing games on the playground no
5、w. 8. Can you give me two bottles of _(orange), please. .句型转换，每空一词。9.You must listen to the teacher carefully.(改为祈使句）_ _the teacher carefully, please.10.You cant pour dirty water into the river.(改为祈使句）_ _ dirty water into the river.11.Please close your book!(改为同义句）_ _ please close your book?12.I hav
6、e two brothers.(对画线部分提问）_ _ _ _ you_ ?13.There is a little bread in the fridge.(对画线部分提问）_ _ _ _ _ in the fridge?14. There are five books on the desk. (对画线部分提问) _ _ _ are there on the desk?15. I would like five pieces of bread. (对画线部分提问) _ _ _ would you like?.根据汉语意思完成句子，每空一词。16.请看黑板。_ _ the blackboar
7、d, please.17.你们班上有多少学生？_ _ _ _ _ in your class?18.下次不要迟到。_ _ late next time.19.这件大衣多少钱？_ _ is the coat? 20.我们回家吧。_ _ home.21.我想要一杯酸奶。 I would like _ _ _ _.22.在我们班里有五十名学生。 There _ fifty _ in our class.Grammar Focus.1.Open 2.Dont make 3.tomatoes 4.water 5.go 6. water 7. children 8. orange .9.Listen to 10.Dont pour 11.Could you 12.How many brothers do; have 13.How much bread is there 14. How many books 15. How much bread . 16.Look at 17.How many students are there 18.Dont be 19.How much 20.Lets go 21. a cup of yogurt 22. are; students（编辑部）027-87778916
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