pantone7421c:《小学英语时态小结》

《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）、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：run—running、swim—swimming、put—putting、get—getting、shop—shopping7、例句1.)    What is Mary doing?   She’s shopping.2.)    Is Betty swimming now?   No, she isn’t. She’s running.3.)    It’s seven thirty in the evening. We’re having dinner at home.    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：①动词原形（如主语为第三人称单数，动词上要加（e）S）        ②be+形容词

4.否定形式：①此时态的谓语动词若为行为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词; ②am/is/are+not。

5.一般疑问句：①用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。②把be动词放于句首；

 

 6、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.)    John likes going hiking. 2.)    Mary often gets up at seven o’clock.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。) 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”。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。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.时间状语：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.

3.基本结构：①be+形容词；②行为动词

4.否定形式：was/were+not;在行为动词前加didn't，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.例句：She often came to help us in those days. 

 

 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 didn’t visit my grandparents last weekend.I wasn’t 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 didn’t.Were you busy last weekend?   Yes, I was. / No, I didn’t.Yes, we were. / No, we weren’t.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.  四：一般将来时：1、          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：①am/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。②will + do.  4.否定形式：①am/is/are/going to +not+ do；②will + 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 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 week?   ---She’s going (to go) the park.