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高中英語《認(rèn)識祖先 Unit 5　Meeting your ancestors（Part 3）》（選修8）
Complete these sentences using the correct form of the phrases below.
on behalf of        in spite of       regardless of       ahead of     because of     instead of
1.Nowbady has the right to spit in the street( regardless of)their social position or age.
2.(In spite of)the song's popularity,the band deleted it from their new album as they failed to find one who could sing it well enough.
3.Sophie got a bad scratch from her cat (because of)her carelessness while playing with it.
4.Sam made a tentative guess that six months of hid flying coure lay (ahead of )him.
5.The vice president gave welcome speech (on behalf of )the Academy of Arts at the exhitition.
6.The guest waited patiently at the receptionist's desk (instead of)interrupting the meeting.
3 Complete these sentences with words of phrases from the text.Make sure to use the correct form.
1.Since the famine broke out,the number of people dying of (starvation)has been increasing.
2.The doctor's (analysis)stated that she has suffered from (acute)anxiety for a long time.
3.This is really a (messy)bookshelf and I think you should organize it well and put the books in (categories).
4.Do you know the best way to stop crying when (cutting up)onions?
5.I will pay just 120 yuan for the quilt (at most)because I only have that much in my wallet.
6.This table mat is ten square (centimetres),and you can get a dozen for only one dollar.
現(xiàn)在完成進(jìn)行時(shí)
現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從過去某一時(shí)間一直延續(xù)到現(xiàn)在或離現(xiàn)在不遠(yuǎn)的時(shí)間。其動(dòng)作是否延續(xù)下去，則由上下文而定。
現(xiàn)在完成進(jìn)行時(shí)多用持續(xù)性動(dòng)詞如live,learn,lie,stay,wait,stand,rest,study等,常和all the time,this week ,this month ,all night,all the morning,recently等狀語以及since和for引導(dǎo)的時(shí)間狀語或從句連用。
現(xiàn)在完成進(jìn)行時(shí)
1.構(gòu)成形式：has/have been doing
2.用法
1）敘述某一動(dòng)作從過去開始一直繼續(xù)到現(xiàn)在仍在繼續(xù)之中或剛剛停止。經(jīng)常與for、since、all morning/day/week用在一起。
You have been studying for four straight hours.
Why don't you take a break?
The telephone has been ringing for almost a minute.Why doesn't someone answer it?
2)敘述“最近”一直從事的工作或活動(dòng)。
lately,recently
What's the matter?Your eyes are red and puffy.Have you been crying?
你是不是一直在哭？
3）表示重復(fù)動(dòng)作。有時(shí)現(xiàn)在完成進(jìn)行時(shí)所表示的動(dòng)作并不是在一直不停地進(jìn)行，而是在斷斷續(xù)續(xù)地重復(fù)。
I have been knocking.I don't think anybody's in.
我一直在敲門，我想沒人在里面。
You've been saying you can succeed for five years.
5年來你一直在說你能成功。
I have been writing letters since breakfast.
我從早餐起就一直在寫信。
4）表示“剛才、近來”發(fā)生的動(dòng)作，一般不再繼續(xù)。此時(shí)一般通過上下文的語境進(jìn)行判斷。
My hands are dirty.I've been painting the door.
我的手很臟，我一直在漆門。
What have you been eating to get as fat as this?
你都吃什么啦，怎么這么胖？
5）敘述從過去某時(shí)開始一直繼續(xù)到現(xiàn)在，但不再繼續(xù)下去的事情。帶有濃厚的感情色彩，強(qiáng)調(diào)持續(xù)了“那么久”或做得“那么辛苦”。
I have been wanting to meet you for a long time.
和你見面是我盼望已久的事了。
Too much has been happening today.
今天真是一個(gè)多事的日子。
Oh,you have come at last!I have been waiting for you two long hours.我等了你足足兩個(gè)小時(shí)。
You are here!I have been looking for you long.
我找了你老半天。
現(xiàn)在完成進(jìn)行時(shí)與現(xiàn)在完成時(shí)的區(qū)別
現(xiàn)在完成時(shí)表示結(jié)果，其動(dòng)作發(fā)生在過去，但對現(xiàn)在有影響；而且現(xiàn)在完成時(shí)也可表示動(dòng)作的持續(xù)。而現(xiàn)在完成時(shí)表示比較長久的動(dòng)作和狀態(tài)，而現(xiàn)在完成進(jìn)行時(shí)表示教短暫的動(dòng)作和狀態(tài)，而且強(qiáng)調(diào)持續(xù)性或未暫停性。
He hasn't worked for years.
他多年來一直沒有工作。
I haven't been working very well recently.
我最近工作不太順利。
They have built several bridges so far.
到目前為止，他們已建了好幾座橋。
They have been building bridges so far.
到目前為止，他們一直在建橋。
Practice
1.China sent up Shenzhou V manned spaceship into space successfully,which shows science and technology (A)rapidly in China.
A have been developing      B develops     C is developing   D had developed
解析：答案A。 該題考查現(xiàn)在完成進(jìn)行時(shí)，表示動(dòng)作的持續(xù)。
2.Mrs.White became a teacher in 1985.She (D)for twenty years by next summer.
A will teach
B would have taught
C has been teaching
D will have benn teaching
解析：答案D 該題考查將來完成進(jìn)行時(shí)。
3.-Hi,Tracy,you look tired.
-I am tired,I (C) the living room all day.
A painted      B had painted    C have been painting     D have painted
解析：答案C  該題考查現(xiàn)在完成進(jìn)行時(shí)。
4.The two friends (D)on the Internet for three hours,and they will go on till the next morning.
A had been chatting       B had chatted     C were chatting     D have been chatting
解析：答案D  該題考查現(xiàn)在完成進(jìn)行時(shí)。
5.Now that she is out of a job,Lucy (B)going back to school,but she hasn't decided yet.
A had considered       B has been considering      C Considered    D is going to consider
解析：答案B  題意為既然已經(jīng)失業(yè)了，露西一直在考慮重新回到學(xué)校，不過她還沒有決定.has been considering為現(xiàn)在完成進(jìn)行時(shí)，主要表現(xiàn)在以前這一段時(shí)間里一直在進(jìn)行的一個(gè)動(dòng)作，這動(dòng)作仍然在進(jìn)行，也可能停止了一會(huì)。
6. -How long (B)in the factory?
-Since 1990.
A were you working
B have you been working
C had you been working
D will you work
7.The first use of atomic weapons was in 1945,and their power (C)increased enormously ever since.
A is   B was   C has been   D had been
解析：答案C    該題考查現(xiàn)在完成時(shí)。現(xiàn)在完成時(shí)表示到現(xiàn)在為止完成了；現(xiàn)在完成進(jìn)行時(shí)表示從過去持續(xù)到現(xiàn)在，而且將來繼續(xù)進(jìn)行。
8.-Hi,Alan,I haven't seen you for weeks.What (A)recently?
-Studying.
A have you been doing
B have you done
C were you doing
D did you do
解析：答案A  該題考查現(xiàn)在完成進(jìn)行時(shí)。
9. -Hi!We have not seen each other for almost two years.
-I (D)in a company as a secretary.
A had worked      B have worked    C worked   D have been working
解析：答案D  該題考查現(xiàn)在完成進(jìn)行時(shí)。
10.I (D)letters this morning and ( )for four hours so far.
A will write;wrote
B have written;have written
C was writing;wrote
D have been writing;have written
Homework
Review the Grammar.