1、 四种时态复习 一般现在时的基本概念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的时态。常见的标志词（时间状语）主要有：every, sometimes, at, on Sundays, uauslly often, never, always 等。一般现在时的结构be 动词的一般现在时主语 + Be 动词 + 其他成分I am a boy.实义动词的一般现在时主语 + 行为动词 + 其他成分We study English.一般现在时的具体形式be 动词的一般现在时1. 第一人称单数 I+amI am a student. 2. 第二人称单数 you 和其他人称复数 we/
2、you/they+areYou are a lucky girl.We are students in this school.3. 第三人称单数 he/she/it+isShe is my teacher.例题：用 be 动词的适当形式填空。1. I from China. 2. It very hot today.一般现在时3. They in the hospital.4. We good students.5. She a beautiful girl.实义动词的一般现在时1. 第一、二人称单数 I/you 和其他人称复数 we/you/they+动词原形I get up at 8 o
3、clock.They go to school everyday.2. 第三人称单数 he/she/it+实义动词第三人称单数形式It runs fast.He studies hard.例题：用说给单词的适当形式填空。1. We home every day.（go）2. Trees green in spring.（turn）3. He very hard.（study）4. The boy up at seven Oclock.（get）5. The earth round the sun.（move ）补充：主语为第三人称单数形式，谓语动词的变化规则：状况 变化规则 发音 例词一般情况
4、 加-s 清辅音后读【s】浊辅音和元音后读【/】swim-swims； help-helps；like- likes 以 o 结尾的词 加 -es 读【z】 go-goes；do-does以 s,sh,ch,x 等结尾的词 加 -es 读【iz】 watches以辅音字母+y 结 变 y 为 i 再加 es 读【z】 study-studies尾的词不规则变化动词 变 have 为 has 变 be 为 am, is, arehave-has be-am, is, are一般现在时的句型变化be 动词的一般现在时肯定句 否定句He is a worker. 主语 + be 动词 + not +
5、 其他He is not a worker. 一般疑问句 特殊疑问句Be 动词 + 主语 + 其他 特殊疑问词 + 一般疑问句-Is he a worker？ Where is he？-Yes, he is. / No, he is not. 例题：写出下列句子中所缺的 be 动词，并用肯定及否定形式回答。1. - your father a teacher?-Yes, .No, .2. - they in the room?-Yes, .No, .写出下列句子的否定句。1. I am at home.2. Mr. Li is a professor.实义动词的一般现在时肯定句 否定句I li
6、ke bread. 主语+dont/doesnt+动词原形He often plays. I dont like bread. He doesnt often play. 一般疑问句 特殊疑问句Do/Does+主语+动词原形 疑问词+一般疑问句Do you like bread? What do you like?Yes, I do. / No, I dont. Where does he often play?Does he often play?Yes, he does. / No, he doesnt.例题：将下列句子改写为否定句。1. I have lunch at school._2
7、. They play basketball on the playground._3. Mr. Zhang knows French._一般现在时的基本用法1 表示人或物的特征He is a doctor.The dog is white and black.2. 表示习惯性或经常性的动作，常与 always, often, usauylly, seldom, everyday, sometimes, weekends，Mondays 等表示时间与频率的词连用。I leave home at 6 oclock everyday.Tom always play football after s
8、chool.We usually go to school by bus on Tuesdays.3. 表示永恒不变的事实或真理Beijing is the capital of China.The snow is white.例题：用说给单词的适当形式填空。1. He (have) blue eyes.2. We (go) to school everyday.3. We (have) no classes on weekends.4. She (write) a letter to her friend once a week.5. Tom (ride) a bike to school.
9、6. Peter and Mary often (play) badminton together.7. Practice (make) perfect.一般将来时的基本概念一般将来时表示将来某一时刻的动作或状态，或将来某一段时间内经常的动作或状态。一般将来时由助动词 shall（第一人称），will（第二、三人称）+动词原形构成。一般将来时的结构主语 + will/ shall + 动词原形 + 其他部分We shall play this afternoon.He will have a lesson after lunch.一般将来时的具体形式第一人称 I/ we + shall + 动
10、词原形I shall be school in 10 minutes.We shall go to Beijing for our summer holiday.其他人称单复数+will+动词原形Tom will go swimming tomorrow.You will get well soon.一般将来时They will come back this afternoon.例题：用说给单词的适当形式填空。1. I (go) to the USA tomorrow.2. We (visit) her new week.3. The pilot (fly) to China the mont
11、h after the next.4. It (take) us a long time to learn English well.5. He (be) there at seven tomorrow morning.一般将来时的句型变化肯定句 否定句They will go to park this Sunday. 主语+will+not+动词原形They will not go to park this Sunday.一般疑问句 特殊疑问句Will+主语+ 动词原形 特殊疑问词+ 一般疑问句-Will they go to park this Sunday? Where will the
12、y go this Sunday?-Yes, they will. / No, they will not.例题：按要求改写句子。Sam will move into new house next year.1. .（改写为否定句）2. ?（改写为一般疑问句）3. ?（改写为特殊疑问句）注释：改写为特殊疑问句时，可根据句子的不同部分进行改写。1. Sam will move into new house next year. Who will move into new house next year? 2. Sam will move into new house next year.Whe
13、re will Sam move into next year?3. Sam will move into new house next year.When will Sam move into new house?一般将来时的用法1. 一般将来时表示将要发生的动作或情况。I will(shall) get there tomorrow. Will you be free next weekend? We wont (shant) be busy this evening. 2. 在以第一人称 I 或 we 作主语的问句中，一般使用 shall，这时或是征求对方的意见，或是询问一个情况Wher
14、e shall we have a meeting? Shall we have computer class tomorrow?3. be going to +动词原形，这个形式常用于表示打算，计划和安排好的事情We are going to have a trip next year.How are you going to spend your weekend?例题：选择正确的答案。( ) 1. He very busy this week, he free next week.A. will be, is B. is, is C. will be, will be D. is, wil
15、l be( ) 2. There a meeting tomorrow.A. was B. is going to have C. will have D. is going to be( ) 3. -Where is the paper?-I it for you at once.A. get B. am getting C. to get D. will get( ) 4. He him a beautiful bag next birthday.A. gives B. gave C. will giving D. is going to give( ) 5. He in three da
16、ys.A. coming back B. came back C. will come back D. is going to coming back现在进行时的基本概念表示此时此刻正在进行的动作或事情。 “正在进行时”的事件，可能发生几年了，也可能只有几分钟。仍在进行中这是“正在进行时”的关键所在。它是一件持续进行的事情。现在进行时的结构主语 + be 动词 + 动词 ingHe is swimming.They are playing.现在进行时的具体形式第一人称单数 I +am+动词 ingI am reading a story book.I am practing.第二人称单数 yo
17、u/ 各人称复数 we/ you/ they+are+动词 ingThey are doing homework.We are playing games.第三人称单数 he/ she/ it+is+动词 ingHe is cleaning the house.Tom is playing basketball.现在进行时例题：将下列句子改成现在进行时1. Tom can speak Japanese._2. We have lessons. _3. I watch TV every day._ 4. She works in a factory._5. Kitty and Ben have
18、lunch at about twelve._ 注释：1. 在改写句子的过程中，首先需要根据每句话的主语的单复数确定 be 应该采用的形式，加在主语的后面，然后找出句子中的动词，将动词改写为动词ing 形式，最后将所给句子的时间词改写为现在进行时的时间词。牢记现在进行时的结构：主语+be 动词+动词 ing 形式。2. 动词 ing 变化规则形式 例词直接+ ing sleep+ing-sleeping去掉不发音的 e+ing bite-e+ing-biting重读闭音节，且末尾只有 1 个辅音字母，双写辅音字母+ingsit+ t+ing sitting特殊变化 die-dying, lie
19、-lying 现在进行时的句型变化肯定句 否定句Boys are playing football on the grass. 主语+be 动词+not+动词 ingBoys are not playing football on the grass.一般疑问句 特殊疑问句Be 动词+ 主语+动词 ing 特殊疑问词+ 一般疑问句Are boys playing football on the grass? Where are boys playing football?例题：按要求改写句子。1. Lee is swimming in the sea.（改写为否定句）?（改写为一般疑问句）?（
20、改写为特殊疑问句）2. They are having English class.（改写为否定句）?（改写为一般疑问句）?（改写为特殊疑问句）一般进行时的用法选择填空。1. She is _ (run, running) now.2. Look, Nick is _ (coming, come).3. Listen, she is _ (singing, sing).4. The fish is _ (swimming, swim) in the river.5. They are _ (sitting, sit) in the classroom.一般过去时的基本概念一般过去时表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。常和表示过去的时间状语连用。一般过去时
