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1、时态汇总一般现在时【定 义】一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作。即描述我们日常生活中的衣食住行等活动。【用 法】(1) 在实际应用中，一般现在时常与以下时间状语联用：always, usually, often, sometimes, seldom, never,every week (day, year, month, once a week, on Sundays 例句：He usually plays football on Sundays.(2)没有时间状语，可以分以下四种类型：Abe型 这一类型由be动词+名词、形容词、副词、代词、数词或介词短语等一起构成
2、谓语，表示主语的个性、特征或状态。这时I 用am。 you,we,they复数用 are 。he, she ，it ，单数用is如： I am a student.(主语+be动词+名词) They are hungry.（主语+be动词+形容词） He is out.(主语+be动词+副词) That pen is mine.(主语+be动词+代词)Bdo型 do型由行为动词充当谓语，表示经常性或习惯性的动作，其构成：主语是: I,you,we.they,复数 肯定句：I,you,we.they,复数+动词原形+其它否定句：I,you,we.they,复数+dont+动词原形+其它一般疑问句
3、：Do +主语+动词原形+其它? 肯定回答：Yes, 主语+do. 否定回答：No, 主语+ dont.主语是: he, she， it ，单数肯定句：He, she， it ，单数+动词第三人称单数形式+其它否定句：He, she， it ，单数+doesnt +动词原形+其它一般疑问句：Does+ he, she， it ，单数+动词原形+其它?肯定回答：Yes, 主语+does. 否定回答：No, 主语+ doesnt.Cthere be型 there be型句子表示“某地存在”，其构成为“there be+主语+其他”，表示客观事实。用法遵循“就近原则”，即主语是单数或并列主语中的第一
4、个主语是单数，则用there is；主语是复数或并列主语中的第一个主语是复数，则用there are。如： （1）There is an eraser on the teachers desk.(主语an eraser是单数) （2）There is an orange，five apples and eight bananas in the bag.(并列主语中的第一个主语an orange是单数)D情态动词型 情态动词型句子的构成为“主语+情态动词+动词原形”，情态动词和动词原形一起构成谓语，表示说话人对所叙述的动作或状态的看法。如： He can speak a little Engli
5、sh.(can+speak) May I have a book, please?(may+have)【练 习】一、 用所给词的适当形式填空。（Be动词）一般现在时中的be动词有四中形式: am is are be其中：am用于一人称主语I之后，构成I am句型。 is 用于三人称单数主语she, he, it或单个的人和物之后，构成She/He/It is句型。 are用于二人称you或复数主语we, they之后，构成You/We/They are句型。 be为该动词的原形，用于情态动词can, may, must之后或用于祈使句中。 如：Be careful! 当心！1. Jim _(b
6、e) a hard-working student at school.2. _(be) Tom and Sam in the same class?3. Your school life _(be) very interesting.4. There _(be) a pen, two rulers and some books on the desk.5. The boys _(be) very friendly to me.6. Maria _(be not) from the U.S.A.7. _(be) there any trees and a pool in the yard? 8
7、. I want to _(be) a teacher.9. Mr. Wang cant _(be) at home, because the lights are off.10. Dont _(be) late for school again.二、 用所给词的适当形式填空。（情态动词）情态动词有 can“能够，可以” may“可以” must必须 + 动词原形（不需变化） should 应该1. My mom can _(cook) food well.2. Must she _(stay) at home now?3. What can the boy _(do) for his par
8、ents?4. Tom cant _(sing) an English song.5. He may _(perform) ballet at Kangkangs birthday party.6. She should _(help) her parents do some housework.三、 用所给词的适当形式填空。（实义动词）主语（一，二人称或三人称复数） + 动词原形主语（三人称单数） + 动词三人称单数形式（动词s/es）否定句中（dont, doesnt） + 动词原形疑问句中（Do, Does + 主语） + 动词原形1. Tom often _(take) a talk
9、after supper.2. Tom and I usually _(go) to school by bike.3. Does Lin Tao _(like) reading storybooks?4. What classes do you _(have) today?5. How often does the girl _(watch) TV?6. Where do they _(live) now?7. Every year many people _(lose) their lives in traffic accidents.8. Sam doesnt _(get) up ear
10、ly in the morning.9. Each of them _(have) a nice schoolbag.10. They each _(sleep) late at night.四、 句型转换。（Be动词）否定句：直接在be动词之后加not。疑问句：将be动词提到主语之前。1. She is in a blue dress.（变否定句） She _ _ a blue dress.2. I am from Qijiang.（变一般疑问句） _ _ from Qijiang?3. Are the storybooks very interesting?（否定回答） No, _ _.4
11、. His parents are both workers.（变一般疑问句） _ his parents _ workers?5. There are some nice books on the shelf.（对划线部分提问） _ _ on the shelf?五、 句型转换。（情态动词）否定句：直接在情态动词之后加not。疑问句：将情态动词提到主语之前。1. My mother may speak a little English.（变否定句） My mother _ _ speak a little English.2. We should be careful when we cro
12、ss the street.（变一般疑问句） _ _ be careful when we cross the street?3. Must I finish my homework at once?（作肯定和否定回答） Yes, _ _. No, _ _.4. Tom can recite a Chinese poem.（对划线部分提问） What _ Tom _?六、 句型转换。（实义动词）否定句：三人称单数主语 + doesnt +还原动词 其他主语 + dont + 动词疑问句：Does + 三人称单数主语 + 还原动词？ Do + 其他主语 + 动词？1. They often pl
13、ay the piano loudly.（变否定句） They _ often _ the piano loudly.2. Jim learns English well.（变一般疑问） _ Jim _ English well?3. She likes Sichuan food very much.（对划线部分提问） What _ she _ very much?4. Do the boys usually play football after school?（作肯定回答） Yes, _ ，_.5. She usually does some cooking in the evening.（变否定句） She usually _ _ any cooking in the evening.6. I want to do some shopping.（变一般疑问句） _ you _ to do any shopping?
