五种时态讲解及练习题英语的时态（tense）是一种动词形式，不同的时态用以表示不同的时间与方式。
下面就英语中常见的八种基本时态进行阐述，其它的时态都是在这八种时态的基础上结合而成的。
一、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。
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（e）S）4.否定形式：am/is/are+not;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，通常还原行为动词。
5.一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用doe s，同时，还原行为动词。
6.例句：It seldom snows here.He is always ready to help others.Action speaks louder than words.like ____________ (swim)._________(read) English every day._________(go)to school at seven in the morning.(go)to school at seven in the morning.mother________(like) ______(go) shopping.can ________(draw) many beautiful pictures.(make) a model plane.you ________(like)_________(run)he_________(like)_________(jump)Nancy_________(grow)flowers on Saturdayteachers________(like)___________(dance).teacher________(like)____________(dance).2）用所给的人称改写句子take photos on Sunday. ( Mike)grow beautiful flowers. (she)like collecting stamps. (Ben)listen to music carefully. (my aunt)like making a model ship. (Helen二、一般过去时：1.概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。
2.时间状语：ago, yest erday, 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：be动词；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.I didn＇t know you were so busy.用be动词的适当形式填空1. I ______ an English teacher now.2. She _______ happy yesterday.3. They _______ glad to see each other last month.4. Helen and Nancy ________ good friends.5. The little dog _____ two years old this year.6. Look, there ________ lots of grapes here.7. There ________ a sign on the chair on Monday.8. Today _____ the second of June. Yesterday ______ the first of June. It _____ C hildren's Day. All the students ______ very excited.用所给动词的适当形式填空1. I ______ (watch) a cartoon on Saturday.2. Her father _______ (read) a newspaper last night.3. We _________ to zoo yesterday, we _____ to the park. (go)4. ______ you _______ (visit) your relatives last Spring Festival5. ______ he _______ (fly) a kite on Sunday Yes, he ______.6. Gao Shan _______ (pull) up carrots last National Day holiday.三、现在进行时：1.概念：表示现阶段或说话时正在进行的动作及行为。
2.时间状语：now, at this time, these days, etc.3.基本结构：am/is/are+doing4.否定形式：am/is/are+not+doing.5.一般疑问句：把be动词放于句首。
6.例句：How are you feeling todayHe is doing well in his lessons.用所给的动词的正确形式填空：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 ) now5. Look . They _____________( have) an English lesson .用现在进行时完成下列句子:(do) (sing) an English song.(mend) (mend) a car.(fly) a kiteYes,_______.(sit) in the boat (ask) questions(play) games now.四、现在完成时：1.概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。
2.时间状语：recently, lately, since…for…,in the past few years, etc.3.基本结构：have/has + done4.否定形式：have/has + not +done.5.一般疑问句：have或has提前6.例句：I＇ve written an article.It has been raining these days.单项选择1、Both his parents look sad .Maybe they _________what's happened to him .Ａ. knew Ｂ. have known Ｃ. must know Ｄ.will know2、He has _______ been to Shanghai , has heＡ. already Ｂ.never Ｃ.ever Ｄ. still3、Have you met Mr Li ______Ａ. just Ｂ. ago Ｃ.before Ｄ. a moment ago4、The famous writer _____ one new book in the past two yearＡ. is writing Ｂ.was writing Ｃ.wrote Ｄ.has written 5、-Our country ______ a lot so far .-Yes . I hope it will be even ______ .Ａ. has changed ; well Ｂ. changed ; goodＣ. has changed ; better Ｄ. changed ; better6、Zhao Lan ______already ______in this school for two years .Ａ. was ; studying Ｂ. will ; studyＣ. has ; studied Ｄ. are ; studying7、We ______ Xiao Li since she was a little girl .Ａ. know Ｂ. had known Ｃ. have known Ｄ. knew 8、Harry Potter is a very nice film .I_______ it twice .Ａ. will see Ｂ. have seen Ｃ. saw Ｄ.see9、-These farmers have been to the United States .-Really When _____ thereＡ. will they go Ｂ. did they goＣ. do they go Ｄ. have they gone10、-______ you ___ your homework yet-Yes . I _____ it a moment ago .Ａ. Did ; do ; finished Ｂ. Have ; done ; finishedＣ. Have ; done ; have finished Ｄ. will ; do ; finish五、一般将来时：1.概念：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 da y after tomorrow, etc.3.基本结构：am/is/are/going to + do；will/shall + do.4.否定形式：was/were + not; 在行为动词前加won＇t，同时还原行为动词。