初中一般过去时讲解及训练VIP免费

1一般过去时讲解及练习一、一般过去时的概念和用法一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。Eg：-Whatdidyoudoyesterday?-ImetLinTao.（过去某个时间发生的动作）Iwasthereamomentago.（过去某个时间存在的状态）Weoftenplayedtogetherwhenwewerechildren.(过去经常或反复发生的动作）注：表示过去经常发生的动作还可用usedto。Eg：Heusedtosmokealot,buthedoesn’tnow.他过去经常抽烟，但现在不抽了。二、常用于一般过去时的时间状语yesterday,thismorning，just,justnow,...ago（amomentago，3daysago，2hoursago...),inthepast，lastnight/year/week,onceuponatime,theotherday,以及时间状语从句中（常用引导词:before，after，when，until,assoonas等）。Eg：ItwasrainingheavilywhenIleftschool.MrGreendidn’tstartcookinguntilhissonwasbackfromschoollastnight.三、一般过去时对谓语动词的要求一般过去时用动词的过去式构成。即一般过去时的谓语动词要用动词的过去式。动词过去式的构成分规则变化和不规则变化两种形式，不规则变化通常需要逐个记忆，规则变化则遵循以下原则：(1)一般在动词后加-ed。如：play—played,offer—offered,weigh—weighed,destroy—destroyed,sign—signed.(2)在以字母e结尾的动词后，只加-d。如：like—liked,provide—provided,hate—hated,date—dated。(3)在以“辅音字母+y”结尾的动词后，则改y为i，再加—ed。如：supply—supplied,fly—flied,study—studied.(4)在以单短元音的重读闭音节结尾且，末尾只有一个辅音字母的动词后，双写最后一个辅音字母，再加-ed。如：plan—planned,refer—referred,regret—regretted,ban—banned.四、部分不规则动词过去式归纳：词义现在（原形）过去式词义现在（原形）过去式是am,is(be)was有have,hashad是are(be)were听hearheard成为becomebecame受伤hurthurt开始beginbegan保持keepkept弯曲bendbent知道knowknew吹blowblew学习learnlearned,learnt买buybought允许，让letlet能cancould躺lielay2捕捉catchcaught制造makemade选择choosechose可以maymight来comecame意味meanmeant切cutcut会见meetmet做do,doesdid必须mustmust画drawdrew放置putput饮drinkdrank读readread吃eatate骑、乘riderode感觉feelfelt响、鸣ringrang发现findfound跑runran飞flyflew说saysaid忘记forgetforgot看见seesaw得到getgot将shallshould给givegave唱歌singsang走gowent坐下sitsat成长,种植growgrew睡觉sleepslept五、一般过去时的否定句和疑问句1.带有was或were的句子否定句在was或were后加not。一般疑问句把was或were提前,其他照写。注意:主语是I/we的句子变疑问句时I\we变成you/you。Eg1:Iwastenyearsoldthen.否定句:Iwasn’ttenyearsoldthen.一般疑问句：Wereyoutenyearsthen？肯定回答；Yes，Iwas.否定回答；No,Iwasn’t.特殊疑问句：-Howoldwereyouthen？回答：Iwastenyearsoldthen.\-Ten.Eg2:TomandhisfamilywereinAmericatwoyearsago.否定句：Tomandhisfamilyweren'tinAmericatwoyearsago.一般疑问句：WereTomandhisfamilyinAmericatwoyearsago?肯定回答：Yes,theywere.否定回答：No，theyweren’t.特殊疑问句：WherewereTomandhisfamilytwoyearsago？回答：TheywereinAmerica.2.谓语动词为实义动词的句子变否定句时在动词前加didn't，句子中的动词过去式变回原形。变一般疑问句时在句首加Did，句子中的动词过去式变回原形。Eg：Jimwenthomeyesterday.否定句：Jimdidn'tgohomeyesterday.一般疑问句：DidJimgohomeyesterday?肯定回答：Yes,hedid.否定回答:No,hedidn’t.特殊疑问句：⑴特殊疑问词+一般疑问句WhatdidJimdoyesterday?随堂练习：一、单项选择：从下列各题后所给的四个选项中选择最佳答案填空。()1．Myfather＿＿＿＿＿＿illyesterday．A．isn'tB．aren'tC．wasn'tD．weren't3()2＿＿＿＿＿＿yourparentsathomelastweek﹖A．IsB．WasC．AreD．Were()3．Thetwins＿＿＿＿＿＿inDalianlastyear．They＿＿＿＿＿＿heren...