表示数据变化的动词和句型.doc

描述一段时间内数据变化的常用句型Some common ways to describe changes over a period of time现象/情况变得（不）普遍、常见has become/becameless (and less)somewhat relativelyfairlyincreasinglymore (and more)quitecommonfrequentrareunusual例句：New forms of the family unit have become increasingly common.Because of the high rates of divorce and remarriage, stepfamilies have also become quite common.情况出现了增加、减少和波动一、The number of(has)increased/roseclimbed/jumped/rose/ soaredwent up(has) decreased/fell/droppedwent down(has) increased sthsuddenly/rapidly/dramatically/substantially/considerably/significantly/sharply/steeplysteadily/ graduallyslightly/ slowly/a littleby%by a small/large amount(from ) to例句：The employment of married women has increased family income significantly, but 二、there was a(n)/there has been a (n)sudden/rapid/dramatic/substantial/considerable/sharp/steep evident/ apparent/obvioussteady/gradualslight/slowincrease/rise decrease/drop/reduction/declinein the number of from to slightfluctuation例句：Recently in the United States, there has been a tremendous increase in the number of married women who work outside the homefrom 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 parent. 三、表示倍数1. A is twice/three times/four times as much/many as in2. A is twice/three times/four times more thanin3. 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 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 proportion of single-parent families in the United States more than doubledincreasing 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 steady/stable/constant betweenand2. The number ofstayed 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% in2. The situation/figures peaked date% in3. The situation/figures bottomed out at% in4. The number 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，rise和increase也经常作名词。surge也可以作名词用。表示下降的动词declinedipfall decrease drop descend sink其中，decline, fall, drop, decrease也经常作名词用。表示急剧下降的动词plunge plummet 表示由组成的词组（可概括组成部分）be made up ofconsist ofbe composed of comprise / be comprised of表示稳定在一个水平上的词组level off atlevel out at hover at stabilize at reached a plateau at remain stable at表示到达最高点的词组peak atreach the peak at reach the 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 at bottom out at the 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 to reach hit stand at表示占多少（后面跟%百分数或者数字）的动词account for represent occupy make up constitute表示对将来数字的预测的及物动词expect predict project常用形容词/副词表示大约的副词或词组approxima