英语一般现在时全面讲解（附练习及答案）

这是一份英语一般现在时全面讲解（附练习及答案），共12页。试卷主要包含了 定义与讲解，一般现在时用法，一般现在时的句子转换等内容，欢迎下载使用。
英语一般现在时全面讲解 附练习及答案 一、 定义与讲解一般现在时：表示经常性，习惯性的动作或状态。时间状语：often 经常usually通常always 总是every每个sometimes 有时seldom 极少never从不 结构： 动词原形 （第三人称单数-动词+s/es）。第三人称单数变化：ask---asks work---works get---gets stay---stays(1)直接在动词词尾加-s.
 (2)以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es.
 watch---watcheswish---wishesfix---fixesdo---doesgo---goespass---passes  (3)以“辅音字母加 - y”结尾的动词，要先变y为i再加-es.
 try---tries study---studies cry---cries fly---flies2.不规则变化：be---- is are have----has 
二、一般现在时用法1. 表示经常性，习惯性,永久性的动作或存在的状态.通常与副词sometimes, often, usually, always, every day (year, month ), once (twice, three times) a day,等时间状语连用。They usually go to school by bike.他们通常骑自行车去上学。I take the medicine three times a day.我一天吃药三次She helps her mother once a week.她每周帮她妈妈一次。Mary’s father is a policeman.玛丽的爸爸是个警察。There are 50 students in my class.我们班里有50名学生。 2. 表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。The sun rises in the east and sets in the west every day.太阳每天从东边升起从西边落下Tomorrow is Tuesday.明天是星期二 三、一般现在时的句子转换：(1)当句子中有be动词或情态动词时，则把be动词或情态动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.①陈述句：She is a student.疑问句→ Is she a student?否定句→ She is not a student.②陈述句：I can swim.疑问句→ Can you swim否定句→ I can not swim. (2)  当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do (you,以及复数), does(单数she,he,it)变成问句;在主语后谓语动词前加助动词don’t(I,you,以及复数), doesn’t(单数she,he,it)变成否定句，助动词后的动词要变成动词原形。①陈述句：We get up at 7:00 every morning.我们每天早上7点起床。疑问句→
Do you get up at 7:00 every morning?否定句→
We don’t get up at 7:00 every morning.②陈述句：She has a little brother.她有一个小弟弟。疑问句→ Does she have a little brother?否定句→ She doesn’t have a little brother.  名师解析1．________ you often ________ tea?  A．Do；drinks B．Does；drink C．Do；drink分析：你经常喝茶吗？ 根据often可知句子为一般现在时，主语为you，用助动词Do提问，动词用原形，C符合题意，故选C。
 2． My legs      .A．hurt B．hurts C．hurting分析：我的腿……。A痛，动词原形；B痛，动词单三形式，主语是名词复数，谓语动词用原形，排除；C痛，现在分词，用于现在进行时，构成be doing，缺少be，排除。故选A。
 3． He____ do his homework now.  A．have to B．has to C．has分析：他现在必须做作业。A不得不，必须；B不得不，必须（单三式）；C有。have to do……不得不干……，是固定搭配；主语he是第三人称单数，谓语动词用单三式，have-have，故选B。
 4． Sarah ____ Chinese and does her homework.A．teach B．study C．studies分析：莎拉学习中文和做作。A教，动词原形；B学习，动词原形；C学习，单三式。描述一个事实，该句子是一般现在时，主语Sarah是第三人称单数，因此动词用单三式，故选C。
 5．I ________ know.   A．not B．don't C．no分析：我……知道。A不，副词；B不，助动词，放在动词前面，表示否定句；C不，副词，修饰名词，本句是否定句，主语是第一人称，谓语动词know是实义动词，助动词用don't。故选B。
 6．I _________ short hair, but my sister ______ long hair.A．has; has B．have; has C．has; have分析：我……短头发，但我妹妹……长头发。have有，动词原形，has有，动词单三形式，前半句主语是第一人称，谓语动词用原形，后半句主语是第三人称单数，谓语动词用单三形式。与选项B相匹配。故选B。
 7．My father ________ a sister. ________ name is Wendy.   A．have; His B．has; Her C．has; His分析：我父亲……一个妹妹。……名字叫温迪。have有，动词原形，has有，动词单三形式，前句主语是第三人称单数，谓语动词用单三形式；根据前句sister妹妹，可知后句用her她的，修饰，his他的，指男士。与选项B相匹配。故选B。
 8．My grandfather and grandmother ________ my father's parents.   A．am B．is C．are分析：我的祖父和祖母是我父亲的父母。主语是复数，be用are。故选C。
 9．Jenny's brother _________ at a hospital. He is a doctor.A．work B．works C．working分析：珍妮的哥哥在医院……。他是一名医生。A工作，动词原形，主语是第三人称单数，谓语动词用单三形式，排除；B工作，动词单三形式；C正在工作，是现在分词，用于现在进行时，构成be doing，缺少be动词，排除。故选B。
 10．We_________ tofu, fish and beef for lunch.  A．has B．have C．do分析：我们午餐……豆腐、鱼和牛肉。A吃，动词单三形式，主语是复数，谓语动词用原形，排除；B吃，动词原形；C做，与句意不符，排除。故选B。
 
同步练习一 用所给词的正确形式填空，并且把关键词圈出来。1. We often___________(play) on the playground.2. He _________(get) up at six o’clock.3. __________you _________(brush) your teeth every morning.4. What_______ (do) he usually ________(do) after school?5. Danny _______(study) English, Chinese, Maths, Science and Art at school.6. Mike sometimes __________(go) to the park with his sister.7. At eight at night, she ___________(watch) TV with his parents.8. ________ Mike________(read) English every day?9. How many lessons ______your classmate_______(have) on Monday?10. What time _______his mother_________(do) the housework?11. He often _________(have) dinner at home.12. Daniel and Tommy___ (be) in Class One.13. We_______ (not watch) TV on Monday.14. Nick ________(not go) to the zoo on Sunday.15. They_________ (like) the World Cup?16. What _______they often _______(do) on Saturdays17. Your parents___________ (read) newspapers every day?18. The girl_________ (teach) us English on Sundays.19. She and I __________(take) a walk together every evening.20. There__________ (be) some water in the bottle.21. Mike _________(like) cooking.22. They__________ (have) the same hobby.23. My aunt_________ (look) after her baby carefully.24. You always_______ (do) your homework well.25. I________ (be) ill. I’m staying in bed.26. She________ (go) to school from Monday to Friday.27. Liu Tao ________(do) not like PE.28. The child often______ (watch) TV in the evening.29. Su Hai and Su Yang _________(have) eight lessons this term.30. They often ___________ (visit) the Great Wall.二 改句子1. Do you often play football after school? (肯定回答)2. I have many books. （改为否定句）3. Gao Shan’s sister likes playing table tennis （改为否定句）4. She lives in a small town near New York. （改为一般疑问句）5. I watch TV every day. （改为一般疑问句）6. David has a goal. （改为一般疑问句）7. Nancy doesn’t run fast （肯定句）8. My dog runs fast. (一般疑问句)写出下列动词的第三人称单数形式： wash________match_______guess______ study______ finish_________ go________ snow______ carry_________ stop______ see________ drive ________let_______ carry______ keep_____ join______ find_______ think________ teach______ catch______ stay_______ begin______ forget_______have______ lie________ run_______ prefer______ give________ ring_______ dance______ hope_______单项选择：1. The picture _______ nice.A. looks B. is looked C. look D. is looking2. She ______ down and soon falls asleep.A. live B. lain C. laid D. sits3. The plane ______ over there.A. is B. are C.am D. was4. John always ______ others.A. help B. helping C. helps D. to help5 . He ______for eight hours every day.A. working B. to work C. works D. worked6. He sits down and ______ a rest.A. having B. have C. to have D. has7 Uncle Wang never ______ a cake.A. make B. to make C. making D. makes填空1-5:play,gets,do  brush,does do，studies6-10:goes,watches,does read,does have,dose do11-15:has,are,don't watch,doesn't go, Do...like16-20:do do,Do...read,teaches,take,is21-25:likes,have,looks,do,am26-30:goes,does,watches,have,visit改句子Yes,I do.I don't have many books.Gao Shan's sister doesn't like playing table tennis.Does she live in a small town near New York?Do you watch TV everyday?Does David have a goal?Nancy runs fast.Does your dog run fast?动词变单三washes,matches,guesses,studiesfinishes,goes,snows,carries,stops,seesdrives,lets,carries,keeps,joinsfinds,thinks,teaches,catches,staysbegins,forgets,has,lies,runsprefers,gives,rings,dances,hopes选择ADACCDD