表示數(shù)據(jù)變化的動詞和句型

1、Some common ways to describechanges over a period of time現(xiàn)象 / 情況變得（不）普遍、常見has become/becameless (and less)commonsomewhatfrequentrelativelyrarefairlyunusualincreasinglymore (and more)quite例句： New forms of the family unit have become increasingly common.Because ofthehigh rates ofdivorce and remarriage

2、,stepfamilieshave alsobecomequite common.情況出現(xiàn)了增加、減少和波動一、The number(has)suddenly/rapidly/dramatically/substant(from)of increased/roseially/considerably/significantly/sharpto climbed/jumpedly/steeply/rose/ soaredsteadily/ graduallywent upslightly/ slowly/a little(has)by%decreased/fellby a small/large

3、amount/droppedwent down(has)increased sth例句：The employment of married women has increased family income significantly, but二、there wassudden/rapid/dramatic/substantial/consideincrease/risin thea(n)/therrable/sharp/steepenumbere has beenevident/ apparent/obviousdecrease/droof a (n)steady/gradualp/redu

4、ction/from slight/slowdeclinetoslightfluctuation例句： Recently in the United States, there has been a tremendous increase in thenumber of married women who work outside the homefrom 32 percent in 1960 to 62percent in 1998.With increaseddivorce, therehas been a huge riseinthe number ofchildrengrowingup

5、 in households with just one parent.三、表示倍數(shù)1.A is twice/three times/four times as much/many asin 2.A is twice/three times/four times more thanin 3.A is twice/three times/four times what it was in4.Fromto , A increased/dropped more than six fold.5. The output of steel in 1990 was 400% up compared with

6、 in 1980.6.The figure was roughly doubled /tripled /quintupled betweenand7. (has) almost/(has)more than halved/doubled/tripled例句：From 1970 to 1998, the proportionof single-parentfamilies in the United Statesmore than doubled increasing from 13 to 31 percent.四、表示變化不大或沒有變化的常用結構1.The number of remained

7、 steady/stable/constant betweenand2.The number of stayed the same betweenand3.There was little/hardly any change in the number ofbetweenand五、表示最高點或最低點的常用結構。1.The situation/figures reached a peak/a high at% in 2.The situation/figures peaked date% in 3.The situation/figures bottomed out at% in 4.The n

8、umber soared to a record high of表示數(shù)據(jù)變化的常用動詞表示 上升 的動詞rise (rose)go up (went up)grow(grew)increase (increased) ascend (ascended)其中， rise和 increase也經(jīng)常作名詞。表示 急劇上升 的動詞shoot up (shot up)jump (jumped)soar (soared)surge (surged)rise (rose)go up (went up)grow(grew)increase (increased) ascend (ascended)其中， ri

9、se和 increase也經(jīng)常作名詞。surge 也可以作名詞用。表示 下降 的動詞declinedipfalldecreasedrop其中，decline,descendfall, drop, decreasesink也經(jīng)常作名詞用。表示 急劇下降 的動詞plungeplummet表示 由組成的詞組（可概括組成部分）ofbe made up of compriseconsist of/ be comprised ofbe composed表示 穩(wěn)定在一個水平上的詞組level off atstabilize atlevelreached aout atplateau athover atre

10、main stable at表示 到達最高點 的詞組peak atreach the peak atreachthehighestpointat其中， peak 也可以作名詞。表示 到達最低點 的詞組reach the bottom atbottomout atthelowest point at其中， bottom 可以作名詞。表示 到達多少數(shù)量的及物動詞或詞組arrive atamounttoreachhitstand at表示 占多少 （后面跟%百分數(shù)或者數(shù)字）的動詞account forrepresentoccupymakeupconstitute表示對將來數(shù)字的預測的及物動詞expectpredictproject常用形容詞/副詞表示 大約 的副詞或詞組approxi