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时间:2020-05-01
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1、现在进行时过去进行时语法专题讲解一、现在进行时现在进行时表示现在正在进行的动作或是现阶段正发生而此刻不一定在进行的动作。现在进行时的构成现在进行时的构成是:主语+be+v.ing〔现在分词〕形式第一人称单数I+am+ing.第一人称复数We+are+ing.第二人称单(复)数You+are+ing第三人称单数He(She,it)+is+ing第三人称复数They+are+ing否定句:主语+be(is/am/are)+not+现在分词一般疑问句:be(is/am/are)+主语+现在分词特殊疑问句:特
2、殊疑问词+be动词+主语+现在分词+Sth?现在分词的构成方法:1、一般在动词词尾加上-ing2、以不发音字母e结尾的动词,先去e,再加-ing.3、.以重读闭音节末尾只有一个辅音字母结尾的词,它前面是单个元音字母时要先将词尾的辅音字母双写,再加上-ing.4、特殊情况以ie结尾的,把ie变y加ing,lie-lying现在进行时的标志有很多,如:now,thesedays,thisweek,atthismoment,look,listen,Bequiet!/Don'ttalk,,it’s+具体时间【
3、练一练】写出它们的现在分词:buy______wait_____write_____shop_______talk______tell_______have_____swim__________walk_______drink________take_______run________eat_______enjoy______drive________get_______lie_______一将下列句子改成现在进行时1. TomspeaksChinese.2. Wehavefourlessons
4、.3. IwatchTVeveryday.4. Sheworksinahospital. 5. KittyandBenhavelunchatabouttwelve.6. Hisfathercanhelpthem.二.按要求改写句子1.Theboyisplayingbasketball.否定句:________________________________一般疑问句:______________________________肯定回答:__________________________
5、否定回答:__________________________对“isplayingbasketball”提问:___________________________对“Theboy”提问:__________________________2.Theyaresingingintheclassroom.否定句:____________________________________一般疑问句:________________________________肯定回答:__________________
6、________否定回答:__________________________对“aresinging”提问:________________________________对“intheclassroom”提问:_________________________________4.she,thewindow,open,now.(用现在进行时连词句.)_____________________________________5.Thebirdsaresinginginthetree.(就划线部分提问)
7、_________________________________6.is,who,thewindow,cleaning?(连词成句)____________________________________8.Sheisclosingthedoornow.(改成否定句)_________________________________________9.Youaredoingyourhomework.(用"I"作主语改写子)___________________________________11.T
8、heYoungPioneersarehelpingtheoldwoman.(改成一般疑问句)_______________________________三.检测1. Whatareyou__________(do)now?I___________(eat)bread.2. It’snineo’clock.Myfather_______________(work)intheoffice.3. Look,theboy____________(put)
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