现在完成时动词转换学习资料

1、现在完成时动词转换 通常与通常与 时间副词时间副词 just（刚刚）（刚刚）, already（已经）（已经）, before, yet（一般疑问：已经；否定句：还）（一般疑问：已经；否定句：还） never, ever等状语连用等状语连用 I have never heard of that before. Have you ever ridden a horse? She has already finished the work. Have you milked the cow yet? Ive just finished my homework. He has not come yet

2、. 2。表示过去已经开始，持续到现在的动作或状态，通。表示过去已经开始，持续到现在的动作或状态，通常和常和 for（段时间）（段时间）, since（点时间）（点时间） 引导的时间状语引导的时间状语以及以及 so far, by now, these days, in the last ten years 等连用。等连用。I have been here for just over two years. I havent seen her these days. She has learnt English for 6 years/since 6 years ago. They have li

3、ved here since 1990. What has happened to the USA in the last 50 years?瞬间动词与延续性动词的转换瞬间动词与延续性动词的转换come/go be (in) leave be away borrow keep buy havedie be dead get to know know begin/start be on go out be offarrive be here/there marry/get married (to) be married (to)fall asleep/get to sleep be asleep

4、join the Party be in the Party - be a member of the Partygo to school be in the schoolcatch/get a cold have a coldjoin the army be in the army - be a soldier - be a member of the armygo to school be a studentfinish be overclose be closed open be open( )( )( )( )( )( )( )( )I have bought a new dictio

5、nary for a week. I have had a new dictionary for a week.我买一本新词典已有一星期了。我买一本新词典已有一星期了。They have come here for two days.They have been here for two days.他们来这儿已经两天了。他们来这儿已经两天了。He has joined the League member for two years.He has been a League member for two years.他已入团两年了。他已入团两年了。The man has been dead fo

6、r several years.The man has died for several years.这个人已经死了几年了。这个人已经死了几年了。 have to “不得不不得不;必须必须”, + 动词原形。例动词原形。例如如: My pen is broken. I have to buy a new one. 我的钢笔坏了我的钢笔坏了,我不得不买一支新的。我不得不买一支新的。 have to有人称、数和时态的变化有人称、数和时态的变化,其第三人其第三人称单数形式为称单数形式为has to,过去式为过去式为had to。例。例如如: His mother is ill, so he has

7、to stay at home to look after her. 他妈妈病了他妈妈病了,他得呆在家里照顾她。他得呆在家里照顾她。 Jack said he was so busy last night that he had to work till11oclock. 含有含有have to, has to, had to的句子需分别的句子需分别借助助动词借助助动词do, does, did构成疑问句和否构成疑问句和否定句。例如定句。例如: Joe has to go home now. Does Joe have to go home now? Joe doesnt have to go

8、 home now. Joe has to go home now, doesnt he?Put the following sentences into English.A: 火车已经开走了火车已经开走了. B: 什么时候开走的什么时候开走的? A: 半个小时之前开走的半个小时之前开走的.A: 这本书我已经买了两年了这本书我已经买了两年了. B: 你在哪儿买的你在哪儿买的? A: 在我老家买的在我老家买的.A: 你看过这部电影吗你看过这部电影吗? B: 看过看过. A: 什么时候看的什么时候看的.1. B: 上周星期天看的上周星期天看的.A: The train has left.B: When did it leave.A: It left half an hour ago.A: have you seen the film?B: Yes, I have.A: When did you see it?B: I saw it last Sunday.A: Ive had the book for tw