表示数据变化的动词和句型

1、.Some common ways to describe changes over a period of time/ has become/becameless (and less)commonsomewhatfrequentrelativelyrarefairlyunusualincreasinglymore (and more)quiteNew forms of the family unit have become increasingly common.Because of the high rates of divorce and remarriage, stepfamilies

2、 have also become quite common.The number(has)suddenly/rapidly/dramatically/substantially/con(from)ofincreased/rosesiderably/significantly/sharply/steeplytoclimbed/jumped/steadily/ graduallyrose/ soaredslightly/ slowly/a littlewent upby %(has)by a small/large amountdecreased/fell/droppedwent down(ha

3、s) increasedsthThe employment of married women has increased familyincome significantly, butthere wassudden/rapid/dramatic/substantial/considerable/shaincrease/risein thea(n)/thererp/steepdecrease/drop/rnumberhas been aevident/ apparent/obviouseduction/declinof(n)steady/gradualefromslight/slowtoslig

4、htfluctuationRecently in the United States, there has been a tremendous increase in the number ofmarried women who work outside the home from 32 percent in 1960 to 62 percent in 1998.With increased divorce, there has been a huge rise in the number of children growing up in households with just one p

5、arent.'.三、表示倍数1.A is twice/three times/four times as much/many asin2.A is twice/three times/four times more thanin3.A is twice/three times/four times what it was in4. From to , A increased/dropped more than six fold.5. The output of steel in 1990 was 400% up compared with in 1980.6.The figure wa

6、s roughly doubled /tripled /quintupled betweenand7. (has) almost/(has)more than halved/doubled/tripled例句： From 1970 to 1998, the proportion of single-parent families in the United States more 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 ofremained steady/stable/consta

7、nt betweenand2.The number ofstayed the same betweenand3.There was little/hardly any change in the numberof between and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% in2.The situation/figures peaked date% in3.The situation/figures bottomed out at% in4.The number soared to a record

8、 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， rise 和 increase 也经常作名词。sur

9、ge 也可以作名词用。表示 下降 的动词declinedipfalldecreasedropdescendsink其中， decline,fall, drop, decrease 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）be made up ofconsist ofbe composed ofcomprise/ be comprised of表示 稳定在一个水平上的词组level off atlevelout athover at'.stabilize atreached a plateau atremain stable

10、at表示 到达最高点 的词组peak atreach the peak atreachthe highest point at其中， peak 也可以作名词。表示 到达最低点 的词组reach the bottom atbottomout atthe lowest 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 atamount toreachhitstand at表示 占多少 （后面跟 %百分数或者数字）的动词account forrepresentoccupymake upconstitute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approximatelyjust