小學一般現(xiàn)在進行時講解及練習

Madeby牟老師現(xiàn)在進行時一、概念現(xiàn)在進行時表示說話時正在進行或發(fā)生的動作,也可表示當前一段時間內的活動或現(xiàn)階段正在進行的動作．結構：助動詞be(am/is/are)+現(xiàn)在分詞.二、現(xiàn)在分詞的構成：1.大多數動詞后可在動詞后直接加-ing．Eg:carry-carrying,catch-catching,drink-drinking,enjoy-enjoyinghurry-hurrying,do-doing,read-reading,think-thinking2.如果動詞以-e結尾,則去掉-e,再加-ing,如come-coming,have-having,make-making,ride-riding,write-writing,take-taking,use-using．3.如果動詞只有一個元音字母,而其后跟有一個輔音字母時,將此輔音字母雙寫,再加-ing如：hit-hitting,let-letting,put-putting,run-running,sit-sitting．三、句型結構：1.現(xiàn)在進行時的肯定形式、否定形式、疑問形式及其回答,所有變化都體現(xiàn)在助動詞be(is/am/are)上．1)現(xiàn)在進行時的肯定形式：主語+be(am/is/are)+doing+其他成分Iamsinging.Theyarewriting.2)現(xiàn)在進行時的否定形式:主語+be(am/is/are)+not+doing+其他成分Iamnotsinging.Theyaren’twriting.3）一般疑問句及回答：be(am/is/are)+主語+doing+其他成分AmIsinging?Yes,youare./No,youaren’t.Aretheywriting?Yes,theyare./No,theyaren’t.4)特殊疑問句及回答:特殊疑問詞+be(am/is/are)+主語+doing+其他成分Whatareyoudoing?Weareplaying(要求就提問內容具體回答).2.縮寫形式如下:Iam---I’mYouare---You’reHeis---He’sSheis---She’sItis---It’sWeare---We’reTheyare---They’re3.說明:不是所有動詞都能用現(xiàn)在進行時態(tài)的,如：see、like、want、know等動詞往往都不用進行時態(tài)．四．用法：1.表示現(xiàn)在(指說話人說話時)正在發(fā)生的事情．往往與now,atthemoment,just等副詞連用,以示強調．Wearewaitingforyou.Whatareyoudoing?Someone’sknockingatthedoor．2.正在進行著的動作可視為未完成的動作：He’stalkingtohisfriendsintheclassroom.可用still一詞強調動作的持續(xù)性He’sstilltalkingtohisfriendsintheclassroom.3.表示長期的或重復性的動作,說話時動作未必正在進行．Mr.Blackiswritinganotherarticle.Don’ttakethatbookaway.Yourfather’susingit.SheislearningpianounderMr.Black.4.現(xiàn)在進行時可用來表示不會長期發(fā)生的動作或情況,或被認為在短期內正在進行的動作或存在的情況：What’syourbrotherdoingthesedays?He’sstudyingEnglishatOxfordUniversity.隨堂練習：一、寫出下列動詞的現(xiàn)在分詞形式：look_____do_______study_______play______read_____take_____make_____come_______have_____use______let_______put_______swim______hit_______run______按要求完成句子：I____________(fly)akitenow.He_____________(read)abooknow.Look,she______________(swim).Listen,thegirls___________(sing)asong.Whataretheydoing?They____________(make)akite.Somebirds___________________(fly)inthesky.Myfriend____________(listen)musicnow.二、按要求寫句子：1.Theboyisplayingbasketball.

否定句：____________________________

一般疑問句：_________________________

肯定回答：__________________________

否定回答：__________________________

2.Theyaresingingintheclassroom.

否定句：____________________________

一般疑問句：_________________________

肯定回答：__________________________

5.What_________you__________(do)?6.I_____________(sing)anEnglishsong.7.What________he____________(mend)?8.He______________(mend)acar.9.Theseboys_________(play)tennisontheplayground.10.Mymother______________(cook)inthekitchen.11.Wecan’thelpyou,becausewe____________(have)classes.12.________theboy___________(write)hishomework?13.