《外研版七年级下时态复习》由会员分享，可在线阅读，更多相关《外研版七年级下时态复习（7页珍藏版）》请在金锄头文库上搜索。
1、外研版七年级时态复习一般现在时1. 一般现在时的定义一般现在时表示经常的、习惯性的动作或存在的状态。2. 和一般现在时连用的时间状语 一般现在时常与以下时间状语联用：always,usually,often,sometimes,seldom,everyweek(day,year,month),onceaweek,onSundays, twice 3. 一般现在时的构成(1)be型：由be动词(am，is或are)+名词、形容词、副词、代词、数词或介词短语等一起构成谓语，表示主语的个性、特征或状态。 a.肯定句 Eg. I am a student.我是一名学生。 b.否定句，在be后面加not
2、。Eg. She isnt a teacher.她不是教师。 c.一般疑问句，将be放在句首。Eg. -Are you ready? -Yes, I am./No, Im not.(2)情态动词型： a.肯定句中情态动词后跟动词原形。 Eg.Hecanplay the piano. b.否定句，在情态动词后面加not。Eg. He cant play the piano. c.一般疑问句，将情态动词放在句首。 Eg. -Can you play the piano? -Yes, I can./No, I cant. (3)实义动词型：句中的谓语动词为实义动词(也叫行为动词) a. 当主语不是第
3、三人称单数时(包括you/I在内的所有复数)肯定句：They have lessons in the morning.否定句(在动词前加dont)：They dont have lessons in the morning. 一般疑问句(在句首加Do)： -Do they have lessons in the morning? -Yes, they do./No, they dont. b. 当主语是第三人称单数时（除了you/I之外的所有单数）肯定句（动词需加-s或-es）：He likes vegetables.否定句（在动词前加doesnt，并将动词还原成原形：He doesnt li
4、ke vegetables.一般疑问句（在句首加Does，并将动词还原成原形）： -Does he like vegetables? -Yes, he does.(-No, he doesnt.)4. 注意 一般现在时可表示客观真理，客观存在，科学事实，必须用一般现在时。Eg. The earth moves around the sun. 地球绕着太阳转。 Shanghai lies in the east of China. 上海位于中国的东部。现在进行时1. 现在进行时的定义:现在进行时表示现在正在发生的动作或存在的状态。2. 和现在进行时连用的时间状语： now, at the mom
5、ent, at the present, Its . oclock, Listen! Look!等。 Eg. Look! The dog is running after the car. 3. 现在进行时的构成:肯定句：主语+be (am is are) +现在分词/V-ing+. Eg. We are having an English class now.否定句：在be后加not Eg. We are not having an English class now.一般疑问句：把be提至句首 Eg.-Are you having an English class now? -Yes, w
6、e are. / No, we arent.4. 注意：a. 某些表示位置移动的动词，如 come、go、leave、fly、arrive 可用现在进行时表示即将发生或计划要做的事。Eg. Be careful! The bus is coming. 小心！公共汽车来了。 Where are you going? 你打算去哪里？ My aunt is leaving for Shanghai at eleven oclock tomorrow morning.b. 并不是所有的动作都可以用现在进行时，有一些表示状态、结果、感觉和感情的动词，如have(有)，be(是)，like(喜欢)，kno
7、w(知道)，want(想要)，think(认为)，see(看见)，hear(听见)，forget(忘记)等，一般不用现在进行时。一般将来时1. 一般将来时的定义: 一般将来时表示将来某一时刻的动作或状态，或将来某一段时间内经常的动作或状态。2. 和一般将来时连用的时间状语：this afternoon/evening, tomorrow, tomorrowmorning/afternoon/evening, thedayaftertomorrow, nextweek/month/year, soon, in the future, in+时间段3. 一般将来时的构成:a. be going t
8、o: 表示打算做某事、计划做某事或有意做某事肯定句 主语+be（am is are）going to +动词原形+. Eg. He is going to have a picnic. 否定句（在be后加not） Eg. He is not going to have a picnic.一般疑问句（将be提至句首） Eg. -Is he going to have a picnic? -Yes, he is./No, he isnt.b. will：描述未来的事情或表达对将来的预测肯定句：主语+ will +动词原形+. Eg. She will do dull jobs.否定句（在will后
9、加not即will not / wont）： Eg. She will not (wont) do dull jobs.一般疑问句（将will提至句首）： Eg. -Will she do dull jobs? - Yes, she will./No, she wont.4. 注意： 如果用be going to表示计划到某地去，由于谓语动词go与going重复，一般可以只说“be going to + 地点” Eg. We are going to Hong Kong for a holiday. They are going to China for a visit.一般过去时1. 一般过
10、去时的定义: 一般过去时表示过去某一时候或某一段时间所发生了的事情或存在的状态。2. 和一般过去时连用的时间状语： yesterday, the day before yesterday, just now, ago, last night / week / month/ year, once upon a time, the other day, in the past, at the age of 3.一般过去时的构成:a. 由be动词构成的一般过去时肯定句 主语+be动词过去式(was / were) +. （am、iswas，arewere） Eg. He was born in 19
11、90. They were good friends in primary school.否定句（在was/were后加not） Eg. He wasnt born in 1990. They werent good friends in primary school.一般疑问句（将was/were提至句首） Eg. -Was he born in 1990? -Yes, he was./No, he wasnt. -Were they good friends in primary school? -Yes, they were./No, they werent. b. 实义动词的一般过去时
12、肯定句：主语+ 动词的过去式（大致在动词后加-ed）+. Eg. I decided to go for a walk after dinner. She moved to London at 24. They played football after school.否定句（在动词前加didnt，并将动词还原成原形）： Eg. I didnt decide to go for a walk after dinner. She didnt move to London at 24. They didnt play football after school.一般疑问句（在句首加Did，并将动词
13、还原成原形）：Eg. -Did you decide to go for a walk after dinner? -Yes,I did./No, I didnt. - Did she move to London at 24? - Yes, she did./No, she didnt. - Did they play football after school? -Yes, they did./No,they didnt.4. 注意： 动词过去式的构成分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆（如come-came，go-went，spend-spent），规则变化则遵循以
14、下原则：(1) 一般在动词后加-ed。如：playplayed, walkwalked.(2) 在以字母e结尾的动词后，只加-d。如：likeliked, hatehated.(3) 在以“辅音字母+y”结尾的动词后，则改y为i，再加ed。如： flyflied, studystudied. (4) 以“元音字母+一个辅音字母结尾”的重读闭音节动词，双写最后一个辅音字母，再加-ed。如：planplanned, stopstopped.专题练习一、单项选择。()1. Look at these clouds, it _. A. will be rainingB. is going to rainC. rainsD. is to rain()2. If you dont mind, I _ off the TV set.A. will turnB. am turningC. would turnD. had turned()3. His father _ the Party in 1998 .A.joined B. has joined C. was
