《Have you ever been to a museum?》PPT课件6
Grammar Focus
现在完成时由主语＋have/has＋过去分词构成。其主要用法如下：
结构： 主语+ have / has + 动词的过去分词
一般疑问句： have / has … ?
Yes, I have. No, I haven’t.
Yes, she has. No, she hasn’t.
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1. 在现在完成时中 ever, never, just, already, yet在用法和意思上有什么区别？
现在完成时表示过去发生或完成的某一动作对现在造成的影响或结果。
如：Have you read that story？你读过那个故事吗？（“读”这一动作发生在过去，对现在造成的影响是：是否知道故事的内容。）
I have bought two apples． 我买了两个苹果。 （“买”这一动作发生在过去，对现在造成的结果是：拥有两个苹果。）
在学习这一概念的同时，还应注意常与现在完成时连用的几个副词：already, just, ever, yet, never等。already, just多用于肯定句中，ever, yet, never多用于疑问句和否定句中。
如：I have already finished my homework．
我已经做完家庭作业了。
He has just had his meal．他刚吃过饭。
Have you ever sung this English song？
你曾唱过这首英文歌吗？
They haven‘t started yet. 他们还没有身。
We have never heard of it．
我们从来没有听说过这件事。
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2. have been in, have been to 与have gone to 的用法
(1). Have (has) been in 意为“已经在某地呆了多长时间”，常与表示一段时间的状语连用。
Mr. Brown has been in Shanghai for three days. 布朗先生来上海已经有三天了。
They have been in Canada for five years.
他们到加拿大有五年了。
(2). Have (has) been to 意为“曾经去过某地”，表示现在已经不在那里了。可与 just, ever,
never 等连用。
如：I’ve just been to the post office.
我刚才去邮局了。
Have you ever been to Hangzhou?
你曾经去过杭州吗？
Mary has never been to the Great Wall.
玛丽从未去过长城。
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Summary
Have been to / in 和 have gone to的区别
1 have / has been to +地名
去过某地（去过已回来）；
2 have / has gone to +地名
去了某地（还没回来）；
3 have / has been in +地名
在某地住了有多长。
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4a. Put the correct forms of the verbs in the blanks.
1. A: Do you want __________ (come) to the space museum?
B: No, I’ve already ______ (be) there three times.
2. A: Have you ________ (see) the robots at the science museum?
B: Yes, I ______ (go) there last weekend.
3. A: Let’s ________ (spend) the day at the zoo.
B: Well, I’ve already _______ (be) there a couple of times, but I’m happy_______ (go) again.
4. A: How about _________ (go) to the art museum? There are some special German paintings there right now.
B: Sure. When do you want _______ (go) ?
5. A: Have you ever _________ (visit) the history museum?
B： No, I’ve never________ (be) there.
... ... ...
The statements are all false. Write four true sentences according to the passage.
1. Singapore is a big country in Europe.
2. In Singapore, you can only find Japanese food.
3. It’s good to see lions and foxes during the daytime because they’ll probably be awake.
4. It’s best to visit Singapore in autumn.
根据句意和所给首字母, 填写单词。
1. Has Shirley ever been to an a__________ park?
2. People in Europe are called E_________.
3. The United Kingdom, the United States and Australia are all E______________ countries.
4. It was Christopher Columbus who first d_________ American continent.
5. I like fruits, e________ sweet fruits, like watermelon and litchi.
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