初三英语时态复习提纲一般现在时1．概念：经常、反复发生的动作或行为某种状况。
2．时间状语：always, usually, often, sometimes, every week (day,year,month…), once a week, on Sundays,3．基本结构：动词原形或者是第三人称单数（如主语为第三人称单数，动词上要改为第三人称单数形式）4．否定形式：1）有be动词的为am/is/are+not;We are students. 改为We aren’t students2）此时态的谓语动词若为行为动词，则在其前加don't,People usually go to work. 改为People don’t usually go to work.3）如主语为第三人称单数，则用doesn't，同时还原行为动词。
She likes to eat fruit. 改为She doesn’t like t o eat fruit.4）有情态动词的在情态动词后加上notThe doctor can help you. 改为The doctor can’t help you.5．一般疑问句：1）有be的把be动词放于句首；He is always at home.. 改为Is he always at home.?肯定回答：Yes, he is. 否定回答：No, he isn’t.2）句子中有动词原形的用助动词do提问，We sometimes watch TV. 改为Do you sometimes watch TV?肯定回答：Yes, we do. 否定回答：No, we don’tt.3）动词为第三人称单数，则用does，同时，还原行为动词。
The girl speaks English everyday. 改为Does the girl speak English everyday肯定回答：Yes, she does. 否定回答：No, she doesn’t.4）有情态动词的把情态动词提到句首I can swim. 改为Can you swim?肯定回答：Yes, I can. 否定回答：No, I can’t.6. 一般现在时在句中的意义：(1)表示经常性的动作或状态表示经常性动作或状态时，常与often,always,usually,sometimes,every day等时间状语连用。
如：The shop opens at nine every day. 这家商店每天九点开门。
It often snows here. 这儿经常下雪。
(2)表示客观存在或普遍真理Light goes faster than sound. 光速比声速快。
Food easily goes bad in hot weather. 天气热时食物容易坏。
7. 练习1）He usually __________(take) bus to school.2). We __________( be not ) busy now.3) The teacher often __________( tell ) us to study hard.4) They __________(walk) to school once a week.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, Look !. listen!3．基本结构：be+doing doing 是现在分词现在分词的结构：1) 在动词后直接加ing go - -- going eat----eating wait----waiting2) 去e加ing write ----writing ride----riding3) 双写加ing (以重读闭音节结尾，末尾只有一个辅音字母，双写这个辅音字母)swim----swimming drop----dropping begin---- beginning4．否定形式：be+not+doing.eg. I am not watching TV. 我不在看电视。
He isn’t doing homework. 他不在做作业。
They aren’t eating lunch. 他们不在吃午饭。
5．一般疑问句：把be动词放于句首。
Is he watching TV? 肯定回答：Yes, he is. 否定回答：No, he isn’t.6．现在进行时在句中的意义(1)进行时表示说话时或现阶段正在进行的动作表示现阶段正在进行的动作，通常用表示现阶段的时间状语，如：today,this week,this month,this year,this term,now等。
如：He is writing a novel now. 他目前正在写一部小说。
(2)进行时表示按计划或已安排好要做的事这一用法只适用于某些动词，如：go,come,leave,start,arrive,return,spend,sail,meet,fly 等。
如：The guest is leaving by train tonight. 客人今晚坐火车走。
(3) 补充说明在不少情况下，表示正在进行的动作的汉语句子，并没有“正在”这样的字眼，但在译为英语时必须用进行时态。
如：It's rainingheavily. 下大雨了。
How is everything going? 事情进展如何？7.练习1) I __________(do) chores now. 我正在做家务。
2）Listen! she ___________(play) the piano. 听！她正在弹钢琴。
3）Look! The boys __________(swim ) 看！男孩子们正在游泳。
4）----Where is your father?----He ___________( wash) the car. 你爸爸在哪儿啊？他正在洗车。
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, yesterday, the day before yesterday, last week, last(year,night,month…), in 1989, just now, at the age of 5, one day, long long ago,3．基本结构：1)be动词改为was 或were ；2) 行为动词的过去式过去式的构成：1）在动词后直接加ed 清辅音后读成/ t / 浊辅音和元音后读成/ d / clean---cleaned / d / ask----asked / t /2) 以e结尾的动词直接加-d，dance---danced3) 辅音字母加y结尾的，改y为i加ed，study-studied4)以重读闭音节结尾，末尾只有一个辅音字母，双写这个辅音字母加-ed、e.g.skip-skipped﹝英语26个字母中，除了a，e，i，o，u ‹即aoeiu›这几个元音字母外，其他都是辅音字母）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。
eg. I wasn’t at home last night.The books weren’t on the deskThe teacher worked late at night. 改为The teacher didn’t work late at night.He did his homework last Snuday. 改为He didn’t do his homewprk last Sunday.I knew you 改为I didn't know you.5．一般疑问句：was或were放于句首；用助动词did 提问，同时还原行为动词。
1）The books were on the desk? 改为Were the books on the desk?肯定回答：Yes, they were. 否定回答：No, they weren’t.2）The teacher worked late at night. 改为Did the teacher work late at night.?肯定回答：Yes, he did. 否定回答：No, he didn’t.6．一般过去时在句子中的意义：(1)一般过去时表示过去的动作或状态[1]一般过去时通常与表示过去的时间状语连用。
与一般过去时连用的时间状语有：yesterday,last night(week,year,month,Sunday),then,at that time,at that moment,just now,a few days(weeks,months,years) ago等。
例句：Lucy turned off all the lights before she went out.出门前露茜关了所有的灯。
(2) 有时一般过去时的时间状语或是在上下文、或是暗含于句中Who was that? 那人是谁？I saw Ker in town. 我在城里看见了克尔。
(3)一般过去时在时间和条件状语从句中表示过去将来的动作或状态。
Hans said he would let us know if he got any news.汉斯说要是得到消息就告诉我们。
7.练习1) He ___________(go) to the zoo yesterday.2) The baby ________(try) to take the toy just now.3) They ________(drop) the books ten minutes ago.4) What _____he _____ (do) last night?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…), the day after tomorrow, soon , in a few minutes,in a week （in+一段时间）in the future , How soon in 21003．基本结构：主语+am/is/are+going to + do；will/shall + do.4．否定形式：am/is/are not going to do ；will/shall not do。