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1、一般过去时态1）在确定的过去时间里所发生的动作或存在的状态。例如：时间状语有：yesterday, last week, an hour ago, the other day, in 1982等。例如： Where did you go just now? 刚才你上哪儿去了？2）表示在过去一段时间内，经常性或习惯性的动作。例如： When I was a child, I often played football in the street. 我是个孩子的时候，常在马路上踢足球。Whenever the Browns went during their visit, they were gi
2、ven a warm welcome.那时，布朗一家无论什么时候去，都受到热烈欢迎。现在完成时态现在完成时用来表示之前已发生或完成的动作或状态，其结果的确和现在有联系。动作或状态发生在过去但它的影响现在还存在；也可表示持续到现在的动作或状态。其构成： have (has) +过去分词。We have learned 500 words. I have worked in the company for 30 years. 现在完成时与一般过去时的比较（一）一般过去时态和现在完成时态的概念一般过去时表示在过去某个时间发生的动词或存在的状态，也表示过去经常或反复发生的动作常与yesterday,
3、yesterday afternoon, last year, in 1965, a moment ago 等表示过去的时间状语连用, 例如：He came here yesterday.现在完成时表示过去的动作（或状态）对现在产生的影响和结果, 例如：He has broken his bottle.(二)一般过去时态和现在完成时的区别：）现在完成时是表示过去的动作与现在的联系，主要说明的是现在的情况和状态；而一般过去时则强调动作发生在过去某一时间，与现在不发生联系, 例如：We havent seen him since last year.我们自从去年以来一直未见到他。（现在还未见到）W
4、e didnt see him last year.我们去年没见到他。（现在不一定未见到）现在完成时表示从过去发生一直持续到现在（包括现在）的某个动作或状态，与现在有关的时间状语连用，一般过去时表示过去某一特定（与现在无关）的时间，与具体的表示过去的时间状语连用, 例如：He has lived here since he was born.自他出生以来一直居住在这儿。（since 自从以来与现在有关，说明还居住在这儿。）Liumei went to see her grandmother last night.刘梅昨晚去看了她外婆。（只说明昨晚）用所给动词的适当形式填空。1.I_ alrea
5、dy _ (see) the film. I _ (see) it last week.2._ he _(finish) his work today ? Not yet.3._ you _(be) to Hong Kong ? Yes, I _ (be) there twice.4._ you ever _(eat ) chocolate sundaes ? No, never.5. My father _ just _ (come) back from work. He is tired now.6. Wheres Li Ming ? He _ (go) to the teachers o
6、ffice.7. Shanghai _ (be) a small town hundreds of years ago. Now it _ (become) a large city.8. I _ (work) here since I _ (move) here in 1999.9. So far I _(make) quite a few friends here.10. How long _ the Wangs _(stay) here? For two weeks.句型转换(每空一词)。1. I have been to Macau before.(改为否定句) I _ _ been
7、to Macau before.2. He hasnt come to school because hes ill.(就划线部分提问)_ _ he come to school?3. He has learned English for 5 years.(就划线部分提问) _ _ _ _ learned English ?4. I bough a new bike just now.(用just改写) I _ just _ a new bike.用have gone或 have been1 Where are the boy students ? They _ to the school factory.2 Is your father in ? No, he _ to Shenzhen._he ever _ there before ? Yes, he _ there several times用 already或 yet1Have they taken down the old pictures _? No, not _.2Most of us have finished our compositions _.3He said he hadnt visited the exhibition _.