1、5.在see,hear,watch,make,let等后面作宾语补足语的动词不定式应省略动词不定式符号“ to”, 但在被动句中, 应添上to. 6.在 Its time(for sb.)to do sth. Its kind/nice/good of sb. to do sth.It takes sb. some time to do sth. 的句型中, 动词不定式短语作句子真正的主语. 7.疑问代词/副词 (why 除外) + to do sth. 结构,可在句中作主语, 表语和宾语. 练习题: 1.The Great Green Wall will stop the wind from
2、 _(blow) the earth away. 2.Mr Smith kept on _ (ask) the players to remember-TEAMWORK 3.Alice didnt hear what the teacher said just now,so she doesnt know how _ (do) the problem. 4.The policeman asked the old granny to put down her heavy box and let him _ (carry) it for her. KEYS 1. blowing 2 asking
3、3.to do 4 carry 5.用help,happen,listen,have,ask,be,plant,miss,leave,look的适当形式填空:(1).WangHai is a good comrade.He always does his best _others. (2).Dig the hole big enough,or the trees cant _well . (3).Its time for class.Lets stop _to the teacher.(4).Her face turned red when she _ to sing a song for a
4、ll of us.(5).She is older than Mary but _much younger.(6).-I cant find my keys.-Maybe you _ them at home.(7).We waited in the next room while they _a meeting.(8).Hurry up.You _the train if you dont. Keys : 1 to help 2 be planted 3.to listen 4 was asked 5 looks 6 have left 7 are having 8 will miss 思考
5、题:用 send,show,turn,cost,write,fly,get,stop,see,do,hear,go 的适当形式填空 1._ you _ each other since you left school ten years ago? 2.What _they _at 8:00 yesterday evening. 3.The Smiths are getting ready _to Australia for their holdiay. 4.The beautiful jacket_too much , doesnt it? 5.Lucy and Lily were playi
6、ng cards when they _ a loud knock at the door. 6.The radio says the rain _later on. 7.The boy _to hospital as soon as the traffic accident happened. 8.Today films_in English everywhere in the world. 9.Its summer now.The days_longer and the nights shorter. 10.Mother _ to Shanghai and shell be back in
7、 a week or so. 动词的时态(上)A:一般现在时棗通常表示目前阶段经常发生的动作或存在的状态。结构 :1)be动词的第一人称单数为,第三人称单数为,其他人称为。有一顺口溜体现了它的用法: 我是am你是are ,is跟着他她它, 复数都用are 肯定式:主语+ am /is/are +其他 否定式:主语+ am/is/are +not + 其他疑问式:Am /Is /Are + 主语+ 其他?简略回答: (肯) Yes,主语 + am/ is /are(否) No,主语 + am /is/are not缩写形式: Im = I am Thats =That isWere =We ar
8、e Whats= What is Youre = You are Whos = Who isTheyre =They are Wheres =Where is Hes =He is isnt=is notShes =She is arent=are not Its = It is 2)行为动词除主语是第三人称单数外,都用动词原形,主语是第三人称单数时,在动词 词尾加-s或-es 肯定式:主语+动词原形/动词的第三人称单数 , 否定式:主语+助动词 dont/doesnt +动词原形+其他 疑问式:Do/Does+主语+动词原形+其他 简略回答:(肯)Yes,主语+do/does (否)No,主
9、语+do/does not 缩写形式: dont = do not doesnt =does not注意:have的第三人称单数为has 用法: 1.表示事实,现状,性质或经常的,习惯的动作,常与often, usually, always, sometimes, today,every day,once a week, every five minutes, on Sundays等时间状语连用, eg. He has a brother. 2.表示普遍真理. eg. The earth goes round the sun. 3.表示在现在时间里所发生的一个动作 . eg. Here com
10、es the train. 4.在时间和条件状语从句中代表一般将来时 . eg.Ill go with you if you are free tomorrow. B:一般过去时棗表示过去发生的动作或存在的状态,一般过去时通常由动词的过去式表示。结构: 1.动词的第一、三有称单数用,其他人称用,其肯定式,否定式,疑问式和简略回答形式与一般现在时相似。 2.行为动词的过去式分为规则和不规则两种, 规则动词的过去式是在动词后加或,不规则动词参照不规则动词表,需要专门记忆。主语+动词的过去式 + 其他 eg. I got up at six this morning. 否定式:主语 + did no
11、t + 动词原形 + 其他 eg.John didnt live here last year. 疑问式:Did + 主语 + 动词原形 + 其他 eg.Did you see him a moment ago?简略回答.(肯)Yes, 主语 +did (否)No , 主语 + didn 用法 :1.主要用于过去某个时间发生的动作或状态. eg.My father was at work yesterday. 2.表示过去经常或反复发生的动作,常与often,always 等表示频度的时间状语连用. eg.He always went to work by bus last summer. 3
12、.和when等连词引导的状语从句连用. eg.When she reached home, she had a short rest. 4.常与表示过去的时间状语, 如 ago, yesterday, last week, in the old days, when I was five years old, in 1995 等连用. eg.They began the work two months ago. Were you born in 1981? Yes, I was. C:一般将来时棗表示将来发生的动作或存在的状态 结构: 助动词shall/will + 动词原形(当主语第一人称时
13、,一般用shall,当主语为第三人称时,用will,但主语为第一人称时,也用will 肯定式:主语+shall/will+动词原形+其他主语+shall/will+not+动词原形+其他.Shall/Will+主语+动词原形+其他 简略回答:(肯)Yes,主语+shall/will .(否)No,主语+shall/will+not 缩写形式: ll =shall/willshant= shall not wont = will not 用法: 1.表示将要发生的动 作或情况,常用时间状语有: later (on), soon, in a month, next time, from now o
14、n, tomorrow等. eg. I shall be eighteen years old next year. Maybe Chinas population _ (pass) 1,300,000,000 by the year 2005. 2.表示某种必然的趋势 eg. Fish will die without water. 解析: 1.在以第一人称为主语的问句中,常用 shall 表示提议和询问情况,在以第二人称作主语的问句中,用will 表示请求. eg. Where shall we have the meeting? Will you please lend me your
15、pen?2.当主语是第一人称时,用will 表示意愿.决心.允诺.命令等. eg. I will give you an English-Chinese dictionary for your birthday. 3.在时间或条件状语从句中,一般用一般现在时代替一般将来时. eg. Tom will write to me when he gets there. 4.be going to +动词原形也可表示将来时. (1).表示主观意愿.打算等. eg. Hes going to learn English next term. (2).根据已有迹象,可能要发生的情况 eg. Look at
16、 the black clouds! -It is going to rain. D:现在进行时棗表示目前或目前阶段正在进行的动作。 am/is/are + 动词的-ing形式 1.表示目前发生(进行)的动作(不指状态),常用时间状语有:now,at the moment 等,并常出现在祈使句的句子中,与 look, listen连用. eg. Are you writing a letter to your father at the moment? Listen! She is singing in the next room. 2.表示目前阶段正在进行,而此刻不一定在进行的动作. eg.
17、 They are planting trees these days. 3.表示按计划或安排即将进行的动作,表示这种动作的动词有:come, go, leave, arrive, start, see等,并常与表示将来时间的状语连用. eg. They are leaving for Australia tomorrow afternoon. 注意: 某些表示感觉或状态的动词,如 love, like, prefer, hate, see, know等一般不用现在进行时. eg. Lucy prefers art to science. 1.Mary and Joe go to the Sh
18、opping Center _ . a.once a week b. in a week c. next week d. for a week 2.Be quiet! The baby _ (sleep) in the next room. 3.Dick will pass the message on to your sister as soon as he _ (meet) her in her office tomorrow. 4.The bell for the class rang while they _ (play) on the playground. 5.Lucy said
19、it _ (rain) later on. 思考题:1.The Chinese people _(work) hard to make their country stronger and more beautiful. 2.Hell write to you as soon as he _ (arrive ) in Hainan. 3.The students of Class One _(have)a meeting from three to five yesterday afternnon. 4.The sky is black. It _ (rain), Im afraid. 5.I
20、f it _(not snow)tomorrow,well go skating 6.Mr and Mrs Green_(travel)to the south of China next week,arent they? 7.I_(not see)the film with you because Ive seen it already. 8.He told us that he_(stay)here till the next week. 9.I_(lose)my pen this morning. I havent found it yet. 动词的时态(下)G:现在完成时棗表示到目前为
21、止已经完成,并对现在留下某种后果和影响的动作。助动词have/has + 动词的过去分词 1.表示过去发生的某一动作对现在造成的影响或结果,常与一些时间状语,如:already, yet, ever, never, just, before, once,twice等连用,也可以和包括现在在内的时间状语,如these days,today,this year,so far等连用.eg.I have already posted the letter. (信已经不在我这儿了) 2.表示过去发生的动作或存在的状态,一直持续到现在,也许还将继续下去,可以和表示从过去某一时刻延续到现在的一段时间的状语连
22、用,即for +时间段,since+时间点/从句, in the last ten years等,谓语只可用延续性动词. 解析: 1.英语动词根据词义可分为两种,一种是延续性的,一种是终止性的,终止性动词(也可称为非延续性动词,瞬间动词,或点动词),如begin,start,die,buy,leave, come等,表示动作的发生与结束于一瞬间完成,不能再延续,所以它的现在完成时不能和表示延续的时间状语连用,即不能与表示一段时间的状语,for+时间段, since+时间点/从句连用,也不能用在how long引导的特殊疑问句中. eg. Ive left Shanghai for three
23、days.() Ive been away from Shanghai for three days.( ).I left Shanghai three days ago. ( ) It is /has been three days since I left Shanghai.( ) 2.初中英语课本中常见终止性动词有:leave, go, come, arrive, begin, buy, borrow, die, join, become等.终止性动词要表示持续时, 可用以下方法:.将时间状语改为时间段 + ago,句中谓语动词用一般过去时. eg.我弟弟参军两年了. My brothe
24、r joined the army two years ago. .若保留for+时间段,since+时间点/从句, 或用在 how long 句型中,则需将终止性动词改为相应的状态动词或延续性动词 常见终止性动词与延续性动词(或状态动词)的对应关系如下come/go/arrive/get/reach/move-be in/at open-be open die-be dead close-be closed become-be borrow-keep begin/start-be on put on-wear leave-be away (from) buy-have fall asleep
25、-be asleepend/finish-be over catch a cold-have a cold join the army-be in the army be a soldier join the Party-be in the Party be a Party member My brother has been in the army for two years. My brother has been a soldier for two years. 3.现在完成时中been to,gone to和been in/at been to去过某地,表示某人的一种经历,可以和onc
26、e,twice,already,ever,never等连用. eg. She has been to Shanghai twice. (表示目前人在这里) gone to 去某地了,说话时某人已离开此地,在去某地的途中或已在某地, eg. She has gone to Shanghai。 (表示现在她人不在这里) been in/at 逗留在某地(已经一段时间).常和for ten days,since I came here等连用. eg. She has been in Shanghai since she moved there. 4.现在完成时和一般过去时的区别现在完成时所表明的是过
27、去发生的动作对现在的影响,强调的是现在的情况,不可以和表示过去的时间状语yesterday,in 1991,three days ago last time,last night等连用一般过去时表明的是过去发生的事实,和现在不发生关系. 5.现在完成时中的 for 与 sincefor + 时间段 与延续性动词的现在完成时连用 since + 时间点/从句I have kept the library book for a week.= I have kept the library book since a week ago. 6. It is /has been +一段时间 + since
28、 从句.自从某事发生已有一段时间了. eg. It is /has been two years since my brother joined the army. 注意:1.since 引导的从句中动词用过去时2.when 引导 的特殊问句不与现在完成时连用.3.have got,has got 虽然是现在完成时,但have got=have has got=has 练习题: 1.Its a long time since we _ (meet) last,isn 2.-I know you _ (choose) a picture book among these. -Yes,Have a look at it, please. 3.So far,spaceships without people _ (reach) the