小学英语4种时态总结.doc

1、小学英语时态小结一：现在进行时：1、概念：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 + 动词ing”,句中可能会有look，listen，now或一个相当具体的时间。2、时间状语：now, at this time3、基本结构：am/is/are+doing4、否定形式：am/is/are+not+doing5、一般疑问句：把be动词放于句首6、动词加“ing”（现在分词）的变化规则：1）、直接在动词后面加“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、pu

2、tputting、getgetting、shopshopping7、例句What is Mary doing? Shes shopping.Is Betty swimming now? No, she isnt. Shes running.Its seven thirty in the evening. Were having dinner at home.现在进行时：be(am, are, is)+ doing肯定句：be + doing否定句：be not + doing疑问句：Be + 主语 + doing？listen look, now its .1. 直接加ing2. 双写加ing

3、3. 去e加ing二：一般现在时：1、概念：经常、反复发生的动作或行为及现在的某种状况。用来叙述经常性发生的事情、习惯和爱好等。2.时间状语： always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, 3.基本结构：动词原形（如主语为第三人称单数，动词上要加s或es）4.否定形式：此时态的谓语动词若为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时还原行为动词; am/is/are+not。5.一般疑问句：若有be动词，把be动词放于句首；用助动

4、词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。6、如果叙述的人或事物是第三人称单数行为动词要加上，其变化规则和名词的复数形式变化规则一样。1.) 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

5、单数一般疑问句句前是does，句中的动词要用原形。)动词第三人称单数变化规则（与名词的复数形式变化规则一样）: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”。wash-washes watch-watches fish-fishes3）以“辅音+y”结尾的单词，把y改i再加es。 carry-carries study-studies fly-flies4）go 和do 的第三人称单数是goes 和does叙述的人或事物不是第三人称单数行为动词要用原形。7、例句I usually go to school on foot.We play footbal

6、l every Sunday afternoon.What do they do on Sundays? -They play chess. 一般现在时：肯定句：主语+do, 主语第三人称单数+ does 否定句：主语+dont+do 主语第三人称单数+doesnt+do疑问句：Do+主语+do? Does+主语第三人称单数+do?usually, sometimes, often, seldom, never, every day1.直接加s,es, 2. 某些y-i加s,es 三：一般过去时：1、概念：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, 2.时间

7、状语：ago, yesterday, the day before yesterday, last week(year, night, month)3.基本结构： was/were +形容词； 例：I was a student in 1989行为动词（动词原形变过去式）例：I played baskedball yesterday afternoon4.否定形式：was/were+not；在行为动词前加didnt，同时还原行为动词。5.一般疑问句：was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。6. 动词过去式的变化：规则动词的变化：一般动词+ed 例：plan

8、t-planted,climb-climbed以不发音的e结尾+d 例：like-liked辅音字母加y结尾变y为i+ed 例：study-studied, cry-cried重读闭音节单词，末尾只有一个辅音字母，双写最后一个字母+ed 例：stop-stopped，plan-planned一般过去时肯定句：动词用过去式 否定句：didnt + 动原 疑问句：Did+动原before, ago, this morning, yesterday, last .过去时要注意的问题：1.有did, didnt就没有 was, were, wasnt, werent2. was, were, wasn

9、t, werent 是表示过去的状态或场所不会出现did, didntI was at home yesterday.You werent at school yesterday.They were strong before.动词过去式变化：1.直接加2.有e加d3.辅音yi加ed4.双写加ed5.特殊变化肯定句: I visited 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 did

10、nt 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 didnt.Were you busy last weekend? Yes, I was. / No, I wast.Yes, we were. / No, we werent.特殊疑问句: What did you do yesterday? I played foot

11、ball.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.四：一般将来时：1、概念：叙述将要发生的事情或打算。表示将要发生的动作或存在的状态及打算、计划或准备做某事。2.时间状语：tomorrow, next day(week, month, year),soon, in a few minutes, by,the day after tomorrow, etc. 3.基本结构：am

12、/is/are/going to + do；结构是be going to+动词原形。如果所接的动词原形刚好是go或come，可把to go 和to come 去掉。例：I am going to go to school this afternoon= I am going to school this afternoonwill + do. 4.否定形式：am/is/are/going to +not+ do；will + not; 在行为动词前加will not，同时还原行为动词。5.一般疑问句：be放于句首；will提到句首。1.) What are you going to do to

13、morrow? -I am going to visit my grandparents.What will you do tomorrow? -I will visit my grandparents.2.) Are they going to sweep the floor tonight? -Yes, they are.will they sweep the floor tonight? -Yes, they will.3.）Where is Sarah going (to go) next week? -Shes going (to go) the park.Where will Sarah go next week? -She wil