小学英语四种时态的区分及练习.doc

一般现在时：表示经常习惯发生的事，经常与always（总是）, usually（通常） ,often（经常）, sometimes（有时）, every(每个)，at+点钟连用。结构：主语是复数动词用原型，主语是第三人称单数动词用三单。三单变化规则：1.直接在动词后+s,例cleancleans 2.以s,x, ch,sh,或o结尾的动词+es 例watch-watches, dishdishes, fix-fixes, dodoes, gogoes 3. 以辅音字母+y结尾的动词变y为i 再+es,例 flyflies studystudies(以元音字母+y结尾，直接+s 例 playplays)不规则变化：havehas一般现在时句型转换：1. 变疑问，当句子中有be或情态动词can时，一提，二变，三问号。变否定，在be或can后+not.例：肯定句She is a girl. 疑问句Is she a girl? 否定句 She is not a girl. I can swim. Can you swim? I can not swim.2. 变疑问，当句中没有be或can时，在句首+助动词（do或does）动词还原。 变否定，在动词前+dont或doesnt, 动词还原。 例：肯定句 We get up at 6:oo. 疑问句 Do you get up at 6:00? 否定句 We do not get up at 6:00. 例：肯定句 He goes to school by bus. 疑问句 Does he go to school by bus? 否定句 He does not go to school by bus.用动词的适当形式填空:1.She (go) to school at 7:00.2.They often （eat）breakfast at 6:10。3.He uausally （study）English at 17:30.4.She （like）playing football after school.5.My father (watch) TV every evening.6.We (not listen) to music on Monday.7. Tom (not go) to the zoo on Sunday.8. There （be）some tea in the cup.9. Amy and I often _ (see) a film on the weekend.10.Does she (do) homework ?现在进行时：表示正在发生或正在进行的事，句中经常有（now, look, listen, its+几点钟等提示词） 结构: 主语+be动词（am, is are）+动词ing(现在分词)现在分词变化规则：1. 在动词后直接加ing, 例: go-going 。2. 以不发音字母e结尾 , 去e再+ing, 例： take-taking, 3. 辅元辅结构，且末尾只有一个辅音字母的动词要双写尾字母再加ing, 例：swim- swimming, runrunning, getgetting, put-putting, sit-sitting ，beginbeginning stopstopping , shopshopping ,现在进行时句型转换：肯定句 She is cleaning her room now 疑问句 Is she cleaning her room now? (一提，二变，三问号) 否定句 She is not cleaning her room now(在be动词后+not)特殊疑问句的结构：疑问词 + be + 主语 + 动词ing? 例: What are you doing.一、写出下列动词的现在分词：play_ run_ swim_ make_go_ like_ write_ skate_ read_ have_ sing_ dance_ put_ see_ buy_ love_ live_ take_ come_ get_stop_ sit_ begin_ shop_ write 二、用所给的动词的正确形式填空：1.The boy _ (draw) a picture now.2. Listen .Some girls _ (sing) in the classroom .3. My mother _ (cook) some nice food now.4. What _ you _ (do) now?5. Look. They _ (have) an English lesson.6.They _ (not water) the flowers now.7. Its 5 oclock now. We _ (have) supper now.8. _ Helen (wash) clothes? -Yes, she is.一般将来时：表示计划，打算将要发生的事。经常和tomorrow, next等表示将来的时间连用 结构：主语+be going to +动词原型 / 主语+will+动词原型一般将来时句型转换：肯定句：We are going to take pictures tomorrow.疑问句:Are you going to/will take pictures tomorrow?(一提，二变，三问号)否定句:We are not going to /will take pictures tomorrow.（在be或will后+not）特殊疑问句结构：疑问词+be going to /will+主语+V 例：What are you going to /will do tomorrow?用所给动词的适当形式填空1.Today is a sunny day. We _ (have) a picnic this afternoon.2. My brother _ (go) to Shanghai next week.3.Tom often _(go) to school on foot. But today is rainy. He _ (go) to school by bike.4. What will you do do next weekend? I_ (watch) TV and _ (catch) insects?5. Tomorrow is Friday。What _she _ (do)? She _ (watch)TV and (listen) to music.6. you (visit) your grandma next Saturday？选择填空1.They _ an English evening next Sunday.A. are having B. are going to have C. will having D. is going to have2. _your brother _ a magazine from the bookstore?A. Are; going to buy B. Is; going to buyC. Will; buysD. Are; going to buys3.Next year I 14 years old. A.will,be B.is going to be C.am D.am going to 4.There _ two English classes tomorrow morning.A. are going to have B. is going to have C. are having D. is going to be一般过去时：表示过去发生的事，动词要用过去式，经常与yesterday, before, ago,last等表示过去的时间连用。 结构：主语+过去式过去式变化规则：1.一般在动词原形末尾直接加上-ed。例：look-looked。2以不发音的字母e结尾的动词，去e再加-ed。如：live-lived。3.以辅音字母+y结尾的动词，变y为i，再+-ed。例：study-studied。（元音字母+y结尾直接+ed, 例play-played）4.辅元辅结构，且末尾只有一个辅音字母的动词要双写尾字母再加-ed例：stop-stopped。一般过去时时句型转换：1.变疑问，当句子中有be动词时，一提，二变，三问号。变否定，在be后+not.例：肯定句There was a book yesterday. 疑问句Was there a book yesterday? 否定句 There was not a book yesterday.2. 变疑问，当句中没有be动词时，在句首+助动词did,动词还原。 变否定，在动词前+didnt动词还原。 例：肯定句 We saw a film last Saturday.疑问句 Did you saw a film last Saturday 否定句 We didnt saw a film last Saturday. 特殊疑问句结构：疑问词+did +主语+V 例：What did you do last night?用所给单词的适当形式填空He _ (visit) the Great Wall last year.2.We_(have) a good time yesterday.3.We often _ (go) to school by bus last year.4.I _ (live)in the village when I was a child.5.Mike_ (see) a big tiger in the nature park last year.6.Sam_ (do) the housework yesterday.7._(do) you _(go)