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be動(dòng)詞用法及相關(guān)練習(xí)題-wenkub

2023-04-08 04:44:11 本頁(yè)面
 

【正文】 ing a meeting. 他們正在開(kāi)會(huì)。m not, isn39。s, we39。Be動(dòng)詞的用法:現(xiàn)在時(shí) I am, you are, he is, we are, you are, they are (縮略式 I39。re, you39。t, aren39。 2) be + 過(guò)去分詞,構(gòu)成被動(dòng)語(yǔ)態(tài),例如: The window was broken by Tom.. 窗戶是湯姆打碎的。 c. 征求意見(jiàn),例如: How am I to answer him? 我該怎樣答復(fù)他? d. 表示相約、商定,例如: We are to meet at the school gate at seven tomorrow morning. 我們明天早晨7點(diǎn)在校門(mén)口集合?! ‖F(xiàn)在進(jìn)行時(shí)的基本用法:  a. 表示現(xiàn)在( 指說(shuō)話人說(shuō)話時(shí)) 正在發(fā)生的事情。m leaving for a trek in Nepal next week.(已經(jīng)安排了)  we39。如:   They are playing basketball 。如:   We are making model planes these 。   【No. 3】現(xiàn)在進(jìn)行時(shí)的變化   肯定句式:主語(yǔ)+be( am, is, are)+現(xiàn)在分詞+其它.   否定句式:主語(yǔ)+be(am, is, are) +not +現(xiàn)在分詞+其它.   一般疑問(wèn)句:Be(am, is, are) +主語(yǔ)+現(xiàn)在分詞+其它?   特殊疑問(wèn)句:疑問(wèn)詞+be(am, is, are)+主語(yǔ)+現(xiàn)在分詞+其它?   對(duì)現(xiàn)在進(jìn)行時(shí)的特殊疑問(wèn)句的回答,它不可以用Yes或No直接作答,要根據(jù)實(shí)際情況回答?! ou are always changing your mind.  典型例題  My dictionary ___, I have looked for it everywhere but still___ it.   A. has lost, don39。t found.   答案D. 前句是一個(gè)仍在持續(xù)的狀態(tài),應(yīng)用進(jìn)行時(shí),由于沒(méi)有找到,其影響仍然存在,應(yīng)用完成時(shí),瞬間動(dòng)詞用于否定式時(shí)可用于完成時(shí)?! uying,playing,teaching,等大部分單詞直接加ing.有一些特殊變化(或者說(shuō)以Ie為結(jié)尾的重讀閉音節(jié)的動(dòng)詞)的現(xiàn)在分詞〔有3個(gè)〕,:lying—lie, dying ―die tying―tie 這些以ie結(jié)尾要去e再把I變y再加ing. Present Continuous Tense 現(xiàn)在進(jìn)行時(shí) ,我們?cè)趶?fù)習(xí)的時(shí)候要特別注意不規(guī)則動(dòng)詞的變化形式。 例句: has:He has a 。練習(xí)題(Be動(dòng)詞)一、在下面的短文中填上恰當(dāng)be動(dòng)詞。I____Jinan? 4) _____youClassayourfriends____her_____oranges. 13) Whereold______________________The _______ witha______theWhereatHowfather?andatWhose ______11.redWhothe______you.______you.blackfor17.glovesLing.myvisitainAsia. ( its )3.__________—Ibike.isn’thouses__________Thelot__________? ( them )8.ain______________isis. ( his )10.glassyou____weather____Isandwicheshave? ( you )2.____ ( his )if(是否)she____ahaveandfightwantsthat( he )5.GreenoftoaretoFrench. (we )三、用適當(dāng)?shù)娜朔Q代詞和物主代詞填空  A.clothesdesk.   away.  2.isallcan’t   _________(I,me,my,mine)?  4.down CanWebikes.   _________(we,us,our,ours)? 5.planes.onesThisgreen. ( s
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