人教版七年级上册《英语》Units 5-9 语法(共25张PPT)ppt课件.pptx

1、动词have(有)用于一般现在时，其形式要随主语的变化而变化。肯定句I/We/They have a tape player.She/He/Tom has two schoolbags.have的一般现在时(Unit 5)在一般现在时的肯定句中，主语是第三人称单数时用has，主语不是第三人称单数时用have。否定句I/We/They dont have a tape player.She/He/Tom doesnt have two schoolbags.含有动词含有动词have/has(有有)的一般现在时的肯定的一般现在时的肯定句变成否定句时，要借助助动词句变成否定句时，要借助助动词do或或

2、does(主主语是第三人称单数时用语是第三人称单数时用does，主语不是第三，主语不是第三人称单数时用人称单数时用do)，并在其后加，并在其后加not，且句中，且句中动词要用原形动词要用原形have。注意：注意：do/does not可缩略为可缩略为dont/doesnt。一般疑问句及其简略答语一般疑问句及其简略答语Do you/they have a tape player?Yes,I/we/they do./No,I/we/they dont.Does she/he/Tom have two schoolbags?Yes,she/he does./No,she/he doesnt.含有动词

3、含有动词have/has(有有)的一般现在时的肯定句的一般现在时的肯定句变成一般疑问句时，要将助动词变成一般疑问句时，要将助动词do或或does放到放到主语前，且句中动词要用原形主语前，且句中动词要用原形have。其肯定答语为其肯定答语为“Yes,主语主语(人称代词人称代词)+do/does.”，否定答语为，否定答语为“No，主语，主语(人称代词人称代词)+dont/doesnt.”。根据汉语意思完成句子或对话。1)他们有两个杯子。_ _ two cups.2)吉娜的妹妹没有手机。Ginas sister _ _ a mobile phone.3)你有手表吗？是的，我有。_ you _ a w

4、atch?Yes,I _.haveThey havedoesnt haveDodo一、可数名词1.可数名词有单数和复数两种形式。2.可数名词可被基数词(如one)，不定冠词(a,an)或these,those,all,some,many,several,few,a few,a lot of,lots of,enough,plenty of,a number of等修饰。如：two pencils,a banana,several children,plenty of apples。可数名词和不可数名词(Unit 6)3.对可数名词的量提问用how many。如：There are ten bo

5、oks on the desk.How many books are there on the desk?二、不可数名词不可数名词没有单数与复数形式之分，也不能与不定冠词a或an连用。1.表示不可数名词的量时，通常使用相应的单位词，如piece,cup,bowl等，复数形式常体现在单位词上。如：a piece of paper two pieces of paper a cup of tea three cups of tea2.不可数名词作主语时，谓语动词用单数形式。如：The milk smells terrible and you cant drink it.3.常见的修饰不可数名词的词

6、语有all,some,much,little,a little,a lot of,lots of,enough,plenty of等。如：much money，a little water。4.对不可数名词的量提问用how much。如：I need a kilo of water.How much water do you need?注意：all,some,a lot of,lots of,plenty of 既可 修饰可数名词，也可修饰不可数名词。用法：1.表示现在的状态。Jim doesnt have a model plane.2.表示经常发生的动作，句中常有always,every

7、day等词语。如：“Where is my pencil?”Linda always asks.I play basketball every day.含有实义动词的一般现在时(Unit 6)3.表示主语具备的性格和能力等。如：They dont like chicken.Do you like to eat ice-cream?句式：句式：1.肯定句：肯定句：主语主语+动词原形动词原形/动词的第三人称单数动词的第三人称单数+其他其他.2.否定句：否定句：主语主语+dont/doesnt+动词原形动词原形+其他其他.3.一般疑问句：Do/Does+主语+动词原形+其他?肯定回答：Yes,主语(

8、人称代词)+do/does.否定回答：No,主语(人称代词)+dont/doesnt.根据意思完成句子。1)戴尔经常帮助他们。Dale often _.2)她喜欢那个帽子吗？是的，她喜欢。_ that hat?Yes,_.3)他每天都不看电视。He _ every day.helps themshe does Does she likedoesnt watch TV1.how much可用来询问物品的价格。其句型结构为“How much+is/are+主语?”，意为“多少钱？”。2.how much还可以用来询问不可数名词的数量。句型结构为“How much+不可数名词+do/does+主语+

9、谓语?”。how much引导的特殊疑问句(Unit 7)将下列汉语句子翻译成英语。1)这个双肩背包多少钱？2)那些短袜多少钱？3)你每天吃多少冰淇淋？How much is this backpack?How much are those socks?How much ice cream do you eat every day?疑问词特殊疑问句由疑问词引导，不同的疑问词用来询问不同的对象。what意为“什么”，通常用来询问名字、电话号码或某物。如：Whats your name/telephone number/favorite subject?What is this(in Englis

10、h)?特殊疑问句(Unit 8,Unit 9)what后可跟名词，一起引导特殊疑问句。如：What color is it?why意为“为什么”，用来询问原因，回答why引导的特殊疑问句时多用由because引导的句子。如：Why do you like math?Because its interesting.when意为“何时”，常用来询问时间。如：When is your birthday?who意为“谁”，用来询问人。如：Who is that boy?句型结构含be动词的一般现在时的特殊疑问句的句型结构:疑问词(不作主语)+am/is/are+主语(+其他)？e.g.When is

11、your Chinese class?含实义动词的一般现在时的特殊疑问句的句型结构:疑问词(不作主语)+do/does+主语+动词原形+其他？e.g.When does Joe play basketball?对划线部分提问。1)Their English Day is on October 21st._2)My cousin is Cindy._3)I like art because its interesting._4)Bills favorite fruits are apples and strawberries._Why do you like art?Who is your co

12、usin?When is their English day?What are Bills favorite fruits?1.Hurry up!Some _ and _ are on sale in the supermarket.(2018新疆卷)A.tomato;egg B.tomatoes;egg C.tomatoes;eggs D.tomato;eggsC2.In China,there are more _ in primary schools than in high schools.(2018内蒙卷)A.woman teacher B.women teachers C.women teacher D.woman teachersB 3._ do you plan to buy？I havent made up my mind.Ill just look around.(2018江苏盐城卷)A.Who B.How C.Why D.What4._ does Liu Chuanjian do?Hes a pilot of Sichuan Airlines.Hes a hero!(2018福建卷)A.What B.where C.When D A