课件25张PPT。1. What are you up to? 你在做什么呢？
be up to表示“正在做某事，忙于某
事”。常用在非正式场合中。
e.g. _________________ with all those
books on the floor?
地上放那么多书，他在干什么
呢？What’s he up to__________________ yesterday? You
didn’t answer my phone.
昨天你干什么呢？不接我电话。
be up to sb.时，表示“由……决定”。
e.g. Do you want to stay or go? _______________.
你是要留下还是要走？你自己定。What were you up toIt’s up to you2. Has it arrived yet?
它到达火星了吗？
辨析：get, arrive & reach
get, arrive和reach都可以表示“到
达”，但它们的用法有区别。get是不及物动词，其后若跟地点名词，需要借助于介词to。
e.g. Please call me when you __________
England.
你到了英国请给我打电话。get to?arrive也是不及物动词，不能直接跟表示地点的名词。要跟宾语必须加介词in或at。“大地方”前用in；“小地方”前用at。
e.g. The train ___________________ in
the morning.
火车在早晨到了车站。
Do you know when your father
__________________?
你知道你父亲什么时候到法国的吗？arrived at the stationarrived in?France注意：当get, arrive后面接here, there和home等表示地点的副词时，不用介词。
e.g. We ______________ here last night.
我们昨天晚上到了这儿。got / arrivedreach是及物动词，其后可直接接名词或代词作宾语。
e.g. When will your parents reach America?
你爸妈什么时候到美国？根据句意选用get, arrive或reach填空，
有的需要变换形式。
1) The children will ____________?Beijing?this afternoon.
2) Tim _____________ to?London?last week.
3) Yesterday the man _____________ at the airport on time.
4) They __________________ here at five o’clock yesterday.reach??gotarrived?reached / arrived / got3. I’ve just made this model of the space station.
这是我刚做的宇宙空间站的模型。
just常用在现在完成时的肯定句中，常放在助动词have/has后面。
e. g. _____________________ the film.
我们刚看了这部电影。We’ve just watched4. I haven’t started it yet.
我还没有开始做呢。
yet用于疑问句和否定句中，通常位于句末。在否定句中意为“还；尚未” ；在疑问句中意为“已经”。
e.g. We haven’t finished our homework
yet. 我们还没有完成作业。
Have you locked the garage yet?
你已经把车库锁了吗？ already & yet
already意为“已经；早已”，常用于肯定句中，通常放在助动词之后，行为动词之前，有时也放在句末；yet意为“到这时；尚；还”，常用于否定句或疑问句末。含有already的肯定句变否定句或疑问句时，要将already变为yet并置于句末。 David _________________ me the news.
大卫已经告诉了我这个消息。
David hasn’t told me the news _____.
大卫还没有告诉我这个消息。
Has David told you the news ______?
大卫告诉你这个消息了吗？has already toldyetyet请根据句意用already或yet填空。
1) The students haven’t finished their homework ______.
2) We have ________ seen this book.
3) Lisa has _________ finished her lunch, but she hasn’t washed the bowls ______.
4) Have you returned the book to the
library ________? You never told me!?yet?alreadyalreadyyet??already 5. Have you heard the latest news?
你听说过这个最新消息吗？
latest adj. 最近的；最新的
e.g. Have you bought __________________?
你买了最新一期的杂志了吗？
latest还是late的最高级形式，“最晚的”。
e.g. Jenny was _______________ to come to
school in the class this morning.
简妮是今天早晨班里来得最晚的学生。the latest magazinethe latest student6. That’s why it’s on the news.
这就是它上新闻的原因。
That’s why… 这就是……的原因
e.g. Everyone in Dublin is friendly, and that
is why I love the city.
在都柏林人人都很友好，这就是我喜欢
这座城市的原因。 7. So have they discovered life on Mars?
所以他们在火星上发现生命了吗？
discover v. 发现；找到
其后可以跟名词作宾语，指的是那些原来已存在的，但不为人知的事物。
e.g. ?______________ a super restaurant
near here.
我发现这附近有一家超棒的餐厅。I’ve discovered invent, find与discover的区别：
① invent意为“发明”，指经过认识和实
践创造出前所未有的事物；
② find意为“发现，找到”，指对某种事
物的寻求，也指找到（丢失的事物）；
③ discover表示“偶然或经过努力发现客观
存在的事物、真理或错误”。e.g. Edison invented the electric light
bulb.
爱迪生发明了电灯泡。
Columbus discovered America but
he did not explore the new continent.
哥伦布发现了美洲，可是他没有去
探索这个新大陆。
I’m looking for my pen but I can’t
find it.
我正在找我的钢笔，但找不到。 8. Astronauts have already been to the
moon. 宇航员已经去过月球了。
have/ has been to表示曾经去过某地，但现在已经回到他的生活所在地。
e.g. _______________________ Suzhou
twice.
他们已经去过苏州两次了。They’ve already been tohave been to表示“去过某地”，但现在已经回来了；
have gone to表示“去了某地”，现在不在这里（说话人所在地）。1) —Where’s Ben?
—He ______ to the teachers’ office.
He’ll be back soon.
A. go B. has gone
C. has been 【即时练】2) She isn’t at the cinema now because she _________ the library.
A. has been to B. have been to
C. have gone to D. has gone to
3) —Jim isn’t in the classroom. Where
is he?
—He _______ to the teacher’s office.
A. will go B. has gone
C. had gone D. is going 4) —I’d like you to tell me something
about Shen Nongjia.
—I’m sorry, but neither Jack nor
I ____ there.
A. have been B. has been
C. have gone D. has gone
