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1、小学英语时态小结一、 现在进行时：用在叙述某人正在做某事的时候。（某动作正在进行）其结构是“be动词（am/is/are）+动词ing形式”,句中可能会有now或一个相当具体的时间。动词加“ing”（现在分词）的变化规则：1、接在动词后面加“ing”2、“元音+辅音+e”结尾的单词把e去掉再加ing。3、重读闭音节双写最后字母再加ing，单词有：runrunning、swimswimming、putputting、getgetting、shopshopping、sitsitting1.) What is Mary doing? Shes shopping.2.) Is Betty swimmi
2、ng now? No, she isnt. Shes running.3.) Its seven thirty in the evening. Were having dinner at home.二、 一般现在时：用来叙述经常性发生的事情、习惯和爱好等，时间词有sometimesoftenusuallyeverymorning(afternoon,evening,day,week,year)on Monday等（注意此时要先弄清叙述的人或事物是否第三人称单数。即he 、she 、it）1.如果叙述的人或事物是第三人称单数，行为动词要加上s或es，其变化规则和名词的复数形式变化规则一样。1.)
3、 John likes going hiking. 2.) Mary often gets up at seven oclock.3.) Mr Li cooks supper every evening.4.) How does he go to school?-He goes to school on foot.5.) Does he go to school on Saturday? -Yes, he does.(第三人称单数一般疑问句句前是does，句中的动词要用原形。)2. 动词第三人称单数变化规则:1）直接在动词后面加“s”。2）以“s、x、sh、ch”结尾的单词，在动词后面加“es
4、”。 wash-washes watch-watches 3）go 和do 的第三人称单数是goes 和does4）以“辅音+y”结尾的单词，把y改i再加es。 carry-carries study-studies fly-flies3叙述的人或事物不是第三人称单数，行为动词要用原形。1.)I usually go to school on foot.2.)We play football every Sunday afternoon.3.)What do they do on Sundays? -They play chess. 三、 一般将来时：叙述将要发生的事情或打算。时间词有：tom
5、orrow, tonight, next Monday(Tuesday), next week(month, year) ,this morning(afternoon)结构是：be going to + 动词的原形 / 地点 will + 动词的原形 1）What are you going to do tomorrow?-I am going to visit my grandparents.2） Are they going to sweep the floor tonight?-Yes, they are.3） Where is Sarah going (to go) next wee
6、k?-Shes going (to go) the park.4）You will see many birds in the sky. 注意 be going to = willI am going to go swimming tomorrow（明天）. = I will go swimming tomorrow. 四、 过去时:一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状态连用, 如yesterday, last weekend, last Sunday 等. 也表示过去经常或反复发生的动作, 常和often, always表示频率的时间连用.肯定句: I vi
7、sited my grandparents last weekend. I usually played with my friends last year.I was busy last weekend.They were sad yesterday.否定句: I didnt visit my grandparents last weekend.I wasnt busy last weekend.They were not sad yesterday.一般疑问句: Did you visit you grandparents last weekend?Yes, I did. / No, I
8、didnt.Were you busy last weekend?Yes, I was. / No, I didnt.Yes, we were. / No, we werent.特殊疑问句: What did you do yesterday? I played football. Where did Mike go last weekend? He went to the library. How did you go there? I went by bus. Where were you yesterday? I was at home. 一般过去时主要体现在动词的形式要用过去式，动词的
9、过去式的构成规则有：、规则动词一般直接在动词的后面加ed；如worked , learned , cleaned , visited以e结尾的动词直接加d；如lived , danced , used以辅音字母加y结尾的动词要改y为i再加ed（此类动词较少）如study studied carry carried worry worried （play、stay除外） 双写最后一个字母（此类动词较少）如stopped 、不规则动词（此类词并无规则，须熟记）小学阶段要记住以下动词的原形和过去式：sing sang , eat ate , see saw , have had , do did ,
10、 go went , take took , buy bought , get got , read read , fly flew , am/is was , are were , say said , leave left , swim swam , tell told , draw drew , come came , lose lost , find found , drink drank , hurt hurt , feel felt 注意句子的形式：1、 肯定句：是指用肯定的语气来陈述的句子，如：Im a student. She is a doctor. He works in
11、a hospital. There are four fans in our classroom.Im going to buy a comic book tonight. He will eat lunch at 12:00.Im reading a book. They are swimming.I watched TV yesterday evening. 2、 否定句：含有否定词或表示否定意义词的句子，如：Im not a student. She is not (isnt) a doctor. He does not (doesnt) work in a hospital. Ther
12、e are not four fans in our classroom.Im not going to buy a comic book tonight. He will not (wont) eat lunch at 12:00.Im not reading a book. They are not (arent) swimming.I did not (didnt) watch TV yesterday evening. 注意 小结：否定句主要是在肯定句的基础上加上了否定词 “not”。有动词be的句子则“not”加在be后面，可缩写成“isnt，arent”，但am not 一般都分开
13、写。没有动词be的句子则要先在主要动词的前面加上一个助动词（do，does，did），然后在它后面加上“not”，你也可以把它们缩写在一起如“dont , doesnt , didnt ）。这三个助动词要根据人称和时态来选择，其中“does”只用于一般现在时主语是第三人称单数的情况，而“did”只用于一般过去时，不论主语是什么人称和数，都用“did” 。3、一般疑问句：是指询问事实的句子，此类句子必须用“yes”，或“no”来回答。如：Are you a student? Yes, I am / No, Im not. Is she a doctor? Yes, she is. / No, s
14、he isnt. Does he work in a hospital? Yes, he does. / No, he doesnt. Are there four fans in our classroom? Yes, there are. / No, there arent. Are you going to buy a comic book tonight? Yes, I am. / No, I am not. (Yes, we are. / No, we arent.)Will he eat lunch at 12:00? Yes, I will. / No, I will not(wont). Are you reading a book? Yes, I am. / No, I am not. Are they swimming? Yes, they are. / No, they arent.Did you watch TV yesterday evening? Yes, I did. / No, I didnt.一般疑问句：是在肯定句的基础上，1）把动词be调到首位，其他照写，末尾标点符号变成问号即可。如
