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时间:2020-03-13
《英语四大基本时态(初学者).doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、4一个句子的三大成分:主语、谓语、宾语。而一个英语句子的时态由谓语动词的形式决定。动词各种形式的变化规则一.动词第三人称单数形式变化(与可数名词变复数的规则基本一致)(1)一般情况,直接加“s”。如read--reads,eat--eats.(2)以s,x,sh,ch及字母o结尾的,加“es”。如guess--guesses,mix--mixes(混合),finish--finishes,watch--watches,catch--catches,go--goes,do--does。(3)以“辅音字母+y”结尾的,把
2、y变为ie,再加es,如:fly--flies,study--studies(4)部分不规则动词:have--has,be--is4二.动词现在分词变化规则(v-ing)(1)一般情况,直接加“ing”。如:go--going,look--looking。(2)以不发音的e结尾的,去e再加ing。如:come--coming,dance--dancing,make--making,have--having等。(3)“辅音+元音+辅音”结尾的,双写最后一个辅音,再加ing。如:sit--sitting,swim--sw
3、imming,run--running,stop--stopping。(1)以ie结尾的,变ie为y,再加ing。(了解一下,不作要求)如:lie--lying(躺;说谎),die--dying(死去)三.动词过去式变化规则(1)一般情况,直接加“ed”。如:work--worked,want--wanted。(2)部分以不发音的e结尾的,只加“d”。如live--lived,hope--hoped。(3)以“辅音字母+y”结尾的,变y为i,再加ed。如:study--studied,cry--cried(哭)。(4
4、)“辅音+元音+辅音”结尾的,双写最后一个辅音,再加ed。如:stop--stopped(5)不规动词变化需要记忆。附表:(按变化方式类似度分)read--readput--puthurt--hurtcome--camebecome--becamesit--satswim--swamsing--sanggive--gavedrink--drankknow--knewdraw--drewfly--flew4keep--keptsweep--sweptsleep--sleptfeel--feltbuy--boughtbr
5、ing--broughtfight--foughtthink--thoughtteach--taughtcatch--caught(抓住)get--gotwrite--wrotespeak--spokeride--rodedrive--drovedo--didgo--wentsee--sawsay--saideat--atehave--hadleave--leftmake--madetake--tookrun--ranamis--wasare--weretell--toldfind--foundlearn--lea
6、rnt练习一.用所给词的适当形式填空:1.Theboy__________________(draw)apicturenow.2.Listen.Somegirls_______________(sing)intheclassroom.3.They____________(not,water)theflowersnow.4.______Helen____________(wash)clothes? Yes,sheis.5.Heoften________(have)dinnerathome.6.What_______th
7、eyoften_______(do)onSaturdays?7._______yourparents_______(read)newspaperseveryday?8.Thegirl_______(teach)usEnglishonSundays.9.There________(be)somewaterinthebottle.10.Mike_______(like)cooking.11.Thechildoften_______(watch)TVintheevening.12.-Whatday_______(be)it
8、today?-It’sSaturday13.Iliketo (flyakite).14.Don’t______thehouse.Mum_______ityesterday.(clean)15.They_________(make)akiteaweekago.16.Iwantto______apples.Butmydad ___
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