动词时态ppt课件内容预览：一般现在时一般过去时一般将来时现在进行时过去进行时现在完成时过去完成时过去将来时(1)一般现在时:表示经常反复发生的动作.e.g. They often spend their holidays in the south.常搭配的时间状语:always often usually sometimesseldom never from time to timenow and then (偶尔)every day every ….once a weekppt2.表示状态:e.g. He is busy at the moment.3.表示客观真理,谚语,格言.e.g. The sun sets in the west.4.用与时间或条件状语从句中,代替一般将来时:e.g. I will be happy if you all come.We will go when he comes.(2)现在进行时表示说话时正在进行的动作.e.g. He is walking towards the plane.2.表示目前一阶段正在进行(但说话时不一定在进行)的动作:e.g. We are writing a paper these days.一般现在时与现在进行时的区别进行时强调动作正在进行,而现在时强调动作的经常和反复,或特征,这类动作没有时间性的.某些表示感官知觉的动词如:see,hear,smell,taste等表示感觉,用一般时,不用进行时.e.g. Do you see a plane in the sky?注意:1)feel 可以用一般时和进行时表示说话时的感觉:e.g. I am not feeling well today.How are you feeling today?I feel tired.2)see,hear 有相应表示动作的动词look at listen to ,这些词可以用进行时比较: Do you see a map on the wall?He is looking at a map on the wall.I hear a strange noise from the car engine.He is listening to the music.3.有些表示状态或心理感觉的动词一般不用现在进行时,而用一般现在时表示状态或感觉,如love,like,hate,want,need,wish,know(知道),understand(懂得),remember(记得),believe,guess(认为),mean(意味着),think(认为),feel(认为),fit(合适),find(认为),show(表明),have(有)e.g. I hope you will enjoy your meal.I want to visit them tomorrow.4.当有些感觉动词词义转变,成为表示动作的动词时,可以用进行时:e.g. Now I see the liquid in the glass has turned red.He is seeing his friend off at the airport.I think they will come.We are all thinking hard.The report shows the problem is serious.He is showing them around our school.Exercise:Water ______(freeze)at the temperature 0.The air _____(keep )moving all the time.The town _____(lie)to the west of the hill.I_______(believe)you ________tell the truth now.--____my son __________(work)hard this term?-- Oh,yes,he _________(try)his best now.6.______the hat _______(fit)me well?7.– What has happened to the fish,Mary?-- Mum,the cat ______(eat)the fish. Just now the cat _____(jump)onto the table and _____(eat)it up.8. Sam ____(live)in the small town for five years during the war.9. It is ages since I last ____(see)you. You ___(grow)taller.10. He won’t tell us where he ______(get)the book.freezeskeepsliesbelieveare tellingIs workingis tryingDoes fithas eatenjumpedatelivedsawhave growngot(3)一般过去时表示过去某一具体时间发生过的动作.e.g. I reviewed my lessons last night.注意:1)有时句中虽然没有表示确定过去时间的状语,但根据上下文情景可以推断出是过去发生过的动作,此时也应用一般过去时e.g. I was sorry to learn of your illness.I didn’t know he was your father.2)描述已故之人的动作或状态用一般过去时.e.g. Edison invented the electric light.2.表示过去经常反复发生的动作.e.g. Peter often played basketball when he was in college.3.表示主语过去的状态或特征.e.g. It was rainy last week.