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1、 一般现在时用法：经常性的和习惯性的动作常用时间状语 ：usually, sometimes, in spring, every day, once a month, on Sundays构成 ：主语+be+其他主语+动词原形+其他（第三人称单数作主语动词要加s)否定构成 ： 主语语+be+not dont+动原 doesnt+动原一般现在时的用法 1) 经常性或习惯性的动作，常与表示频度的时间状语连用。 I leave home for school at 7 every morning. 2) 客观真理，客观存在，科学事实。 The earth moves around the sun.S
2、hanghai lies in the east of China. 3) 表示格言或警句中。 When you are in Rome, do as the Romans do. Light travels faster than sound.4) 表示主语具备的能力、性格、个性。 I like singing.Ann writes good English but does not speak well.She looks like her sister. 5）在时间，条件状语从句中，用一般现在时表示将来If it rains tomorrow, we wont (will not) go
3、 to the park.When I grow up, I will go to American.( ) 1 -_ they often _ these old men?-Yes, they_.A. Do; help; are B.Are; helping; are C. Do; help; do D. Are; helped; are( ) 2 They usually_TV in the evening. A. watch B. will watch C. are watching D. watches( ) 3The sun _ in the east and_ in the wes
4、t. A. raises; set B. rise; sets C. rises; sets D. rises; set 练习c现在进行时 用法：说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语 ：now,these days动词构成 am/is/are+现在分词(-ing) 否定构成 ： am/is/are+not+现在分词一般疑问构成Am/Is/Are+主语语+现现在分词词+ 其它？现在进行时的基本用法：a. 表示现在( 指说话人说话时) 正在发生的事情。We are waiting for you.b. 表示现阶段正在进行的动作或存在的状态 They are studying
5、 hard this term.We are picking apples on a farm these days.c. 表示渐变的动词有：get, grow, become, turn, run, go, begin等。The leaves are turning red.Its getting warmer and warmer.d. 与always连用。表示经常反复的动作。含有赞扬或厌恶的意思。He is always helping others.(赞扬）That son of yours is always making trouble.(厌恶）e.go,come,leave,ar
6、rive,return,die等的进 行时可表示明确安排好了不久将要发生 的动作.这是表示最近打算的最常用的表达方式。 We are leaving on Friday. Are you going anywhere tomorrow?( ) 1 _ you _ your homework now?A. Do; doing B. Are; doingC. Were; doing D. Does; do( ) 2 _ your mother _ shopping at the moment?A. Are; doing B. Is; doing C. Is; taking D. Are; taki
7、ng( ) 3 _ the children _ the radio?A. Is; listening B. Is; listening to C. Are; listening to D. Are; listening练习用法：将来发生的动作或存在的状态常用时间状语：this evening,tomorrow,next month,in a few minutes,at the end of this term动词构成: 1, will/shall+动原 2,am/is/are going to+动词原型否定构成：will/shall not am/is/are not备注：在if条件或as
8、 soon as等时间状语从句中用一般现在 时代替一般将来时。Lets finish the work before it is dark.让我们在天黑之前把所有活做完。一般将来时1) shall用于第一人称，常被will 所代替。will 在陈述句中用于所有人称Which paragraph shall I read first.我先读哪一段 ？We will get there tomorrow.I will graduate from this school soon.2) be going to +动词原形，表示打算或准备要做的事情。I am going to do some wash
9、ing this evening. The play is going to be produced next month.3) 有迹象要发生的事Look at the dark clouds, It is going to rain.4) be about to +不定式，意为马上做某事。He is about to leave for Beijing.注意：be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用一( ) 1 Look at the clouds. _.A. Its going to rain B. Itll be raining
10、C. It will be rained D. If it rains ( ) 2There_ two English films next week.A. is going to be B. are going to haveC. will have D. are going to be( ) 3 There is going to_ a volleyball match on our school playground.The match is going to_ at six this evening.A. have; be B. be; have C. be; be D. have;
11、have练习用法： 过去时间发生的或过去经常性的动作或存在的状态 常用时间状语：yesterday,last night,two days ago, in the past,in 2000,at that time, just now 动词构成：动词过去时（-ed） 否定构成：didnt+动原 一般疑问构成及简答举例：Did+主语+动原+其它？ 特殊疑问句举例：What did he do yesterday? When did he get up this morning? 备注：He has opened the door.（表示过去“开门”的动作对现在的影 响是门还开着）He opene
12、d the door.(不能确定门现在是否开着) 一般过去时的用法 1）在确定的过去时间里所发生的动作或存在的状态。 Where did you go just now? He went to Beijing with his father last Sunday. 2）表示在过去一段时间内，经常性或习惯性的动作。 When I was a child, I often played football in the street. When Tom was young, he always asked many strange questions.( ) 1 _ here and ask hi
13、m about it yesterday?A. Did you come B. Would you not go C. You didnt come D. Arent you go( ) 2 _ he _ a good time last Sunday?A. Were; were B. Did; do C. Did; has D. Did; have( ) 3 The students hardly studied the English language, _ they?A. did B. didnt C. were D. werent练习用法: 1、过去发生的动作对现在造成的影响或结果 常
14、与.already, just, never ever, yet等时间状语连用 already用于肯定句，可放助动词之后，也可放在句末。 I have already watched the TV play. yet常放句末，在疑问句中表示“已经”否定句中表“还”Has the boss left yet?Have you found your lost pen yet?No. I havent found it yet. 2、从过去一直延续到现在的动作,也许还要持续下去 常用与for ,since连用since+时间点,for+段时间 构成：have/has+过去分词否定构成have/has
15、 not+过去分词 一般疑问构成： Have/Has+主语+过去分词? 备注：暂时性动词不能与for, since,How long等 表示段时间 的短语同时使用。比较过去时与现在完成时1）过去时表示过去某时发生的动作或单纯叙述过去的事情， 强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响， 强调的是影响。 2）过去时常与具体的时间状语连用，而现在完成时通 常与模糊的时间状语 连用，或无时间状语。一般过去时的时间状语:yesterday, last week，ago, in1980, in October, just now, 具体的时间状语现在完成时的时间状语for, since, so far(至今）, just，ever, never, just, yet, up to n
