表示数据变化的动词和句型

1、Some common ways to describechanges over a period of time现象 / 情况变得（不）普遍、常见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.情况出现了增加、减少和波动一、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、表示倍数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、表示变化不大或没有变化的常用结构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、表示最高点或最低点的常用结构。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表示数据变化的常用动词表示 上升 的动词rise (rose)go up (went up)grow(grew)increase (increased) ascend (ascended)其中， rise和 increase也经常作名词。表示 急剧上升 的动词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也经常作名词。surge 也可以作名词用。表示 下降 的动词declinedipfalldecreasedrop其中，decline,descendfall, drop, decreasesink也经常作名词用。表示 急剧下降 的动词plungeplummet表示 由组成的词组（可概括组成部分）ofbe made up of compriseconsist of/ be comprised ofbe composed表示 稳定在一个水平上的词组level off atstabilize atlevelreached aout atplateau athover atre

10、main stable at表示 到达最高点 的词组peak atreach the peak atreachthehighestpointat其中， peak 也可以作名词。表示 到达最低点 的词组reach the bottom atbottomout atthelowest point at其中， bottom 可以作名词。表示 到达多少数量的及物动词或词组arrive atamounttoreachhitstand at表示 占多少 （后面跟%百分数或者数字）的动词account forrepresentoccupymakeupconstitute表示对将来数字的预测的及物动词expectpredictproject常用形容词/副词表示 大约 的副词或词组approxi