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1、2019-2020年八年级英语上册时态练习人教新目标版(一)一般现在时一、定义:表示经常性或经常性的动作及一般性事实。 时间状语:often经常,usually通常,always总是,every每个,sometimes有时,at…几点钟 只有在第三人称单数用动词的“三单变化”,其他用动词的原形。 三单变化:1.多数在动词后+s play—plays like—likes (1)直接在动词词尾加-s.ask---asks work---works get---gets stay---stays (2)以字母s,
2、x,ch,sh或o结尾的动词,在词尾直接加-es. watch---watches wish---wishes fix---fixes do---does go---goes pass---passes (3)以“辅音字母加-y”结尾的动词,要先变y为i再加-es. try---tries study---studiescry---cries fly---flies 2.不规则变化:be----is are have----has 二、一般现在时用法 1.表示经常性,习惯性,永
3、久性的动作或存在的状态.通常与副词sometimes,often,usually,always,everyday(year,month),once(twice,threetimes)aday,等时间状语连用。 Theyusuallygotoschoolbybike. Itakethemedicinethreetimesaday. Shehelpshermotheronceaweek. Mary’sfatherisapoliceman. Thereare50studentsinmyclass. 2.表示客观真理,科学原理,自然
4、现象,等客观事实或格言,谚语等。 Thesunrisesintheeastandsetsinthewesteveryday. ThemanwhohasneverbeentotheGreatWallisnotarealman. TomorrowisTuesday. 三、一般现在时的句子转换: (1)当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句. 例:①陈述句:Sheisastudent. 疑问句→Issheastud
5、ent? 否定句→Sheisnotastudent. ②陈述句:Icanswim. 疑问句→Canyouswim 否定句→Icannotswim. (2) 当句子中即没有be动词,也没有情态动词时,则在主语前加助动词do(you,以及复数),does(单数she,he,it)变成问句;在主语后谓语动词前加助动词don’t(I,you,以及复数),doesn’t(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。 例:①陈述句:Wegetupat7:00everymorning. 疑问句→Doyouget
6、upat7:00everymorning? 否定句→Wedon’tgetupat7:00everymorning. ②陈述句:Shehasalittlebrother. 疑问句→Doesshehavealittlebrother? 否定句→Shedoesn’thavealittlebrother. 用括号内动词的适当形式填空。1.Heoften_________(have)dinnerathome. 2.DanielandTommy_________(be)inClassOne. 3.We_________(notwatc
7、h)TVonMonday. 4.Nick_________(notgo)tothezooonSunday. 5.they_________(like)theWorldCup? 6.Whattheyoften_________(do)onSaturdays? 7.yourparents_________(read)newspaperseveryday? 8.Thegirl_________(teach)usEnglishonSundays. 9.SheandI_________(take)awalktogethereverye
8、vening. 10.There_________(be)somewaterinthebottle. 11.Mike_________(like)cooking. 12.They_________(h