1、將陳述句改為否定句，一般疑問句和特殊疑問句一、將肯定句變為否定句1、謂語動詞是be動詞,助動詞have, has, will,情態動詞can等時，只要直接在這些詞后面加 not就構成否定形式。eg. lily has already read this new book.（改為否定句）lilythis new book.2、謂語動詞是行為動詞而又沒有助動詞或情態動詞時，必須在謂語動詞前加助動詞，一般現在 時加助動詞do ,第三人稱單數加does, 一般過去時加did,再和not構成否定結構。必須指出 的是：don't, doesn't, didn't后都用動詞原形。eg

2、.1）jill has lunch at school every day.（改為否定句）jilllunch at school every day.2）the children had a good time at the party.（改為否定句）the childrena good time at the party.3）rose didn't drink any milk this morning.（改為肯定句）rosemilk this morning.二、陳述句變一般疑問句a.般疑問句：以be動詞,have /has/do等助動詞、can/may等情態動詞開頭，以yes或n

3、o來 回答的問句。它的基本結構是：be/have /has/did等助動詞（包括情態動詞）+主語+謂語+-？回答 常用簡略回答。1>謂語動詞是be動詞、助動詞、情態動詞時，只要直接把這些詞置于句首，句末改成問號。eg. there's something wrong with his bike.（改成疑問句）wrong with his bike?2、謂語動詞是行為動詞時，必須在句首加上助動詞do、does （三單）、did （過去式）加上這 些助動詞后，句子中謂語動詞必須用原形。eg. 1）edison built a science lab himself when he w

4、as ten.（改成疑問句） edis ona scie nee lab himself when he was ten?2）those japanese like chinese food.（改成疑問句）those japanesechinese food?注意：在把肯定句改成否定句或一般疑問句的時候，要注意句中是否有already> some、 something、somebody 等詞，如果有也必須進行改變，already 要改成 yet, some、something、 somebody等分別改成any、anything, anybody等。另外，在改成否定句的時候注意把too

5、改成either,both改成neither,all改成none等在改成一般疑問句的時候，常常把第一人稱i、 we改成第二人稱youo三、陳述句變特殊疑問句特殊疑問句：以疑問代詞或疑問副詞開頭，提出疑問的句子。它的基本結構是：特殊疑問詞+般疑問句語序。但是如果疑問詞在句子中作主語或作主語的 定語，就用特殊疑問詞+陳述句語序。常用的疑問詞有：what, who（whom）, whose,which,when,where,how,why等，回答時針對問句中 的代詞和副詞來回答，不用yes或no來回答。1）對指物名詞或謂語動詞提出疑問，疑問詞用whatthe twins were making a

6、kite when their mother came in.（劃線提問）the twinswhen their mother came in?mrs turner asked her son to buy some eggs for supper.（劃線提問）mrs turner ask her son?2）對名詞前定語提出疑問，疑問詞應用which,而且必須和名詞連用。i'm qoinq to take the shirt on the riqht.（劃線提問）are you going to take?3）對指人名詞或代詞提問用who,作賓語時提問用whom。eg.li ping

7、,they,his father4）對物主代詞和名詞所有格提問用whoseoeg. li ping's coat>whose coatmy father>whose father5）對具體時間提出疑問，如in the morning,last sunday等，疑問詞用when；對具體幾點鐘 提問，疑問詞應用what timeo6）對具體地點提出疑問，疑問詞應用where。the pupils are having a picnic at the foot of the hill.（劃線提問）the pupils having a picnic?7）對表原因的從句提問，常見的

8、有because引導的從句，疑問詞應用why。xiao cheng didn't go to the farm with us because he was ill.（劃線提問）xiao cheng go to the farm with us?8）對方式或程度等提出疑問，用疑問詞how。eg. go by bike like very much9）對數量提出疑問，疑問詞為how many,要注意how many必須跟名詞的復數形式。eg. two hundred sheep>how many sheep10）對價格提岀疑問，疑問詞用how muchoeg. i paid fif

9、ty yuan for the sweater.did you pay for the sweater?11）對時間長度提出疑問，疑問詞應用how longoeg. i've worked in that factory for two years.（劃線提問）96 中考題 you worked jn that factory?12）對時間頻率，如onee a year, twice a week等提問，疑問詞用how ofteno13）對具體次數，如once, twice, three times等提問，疑問詞用how many timesoeg.did he call you th

10、e day before yesterday?twice 96 屮考題a.what time b.how many times c.how much d.how long14）對in 段時間提問，疑問詞一般用how soonoeg. jane and her brother will finish the work in two hours（戈u線提問）jane and her brother finish the work?15）對距離提出疑問，疑問詞用how faroeg. ivs about two kilometres from here to the country.（劃線提問）fr

11、om here to the country?16）另外，對日期、星期、天氣等提出疑問，則分別用what's the date?what day is it ?如果是過去吋間，就用was代替is。what's the weather like?練習題1）she does exercises at home in the evening.（改成否定句、一般疑問句）sheexercises at home in the evening.sheexercises at home in the evening?2）he said something important at the m

12、eeting.（改為否定句，一般疑問句）heimportant at the meeting.heimportant at the meeting?3）lt*ll take them three weeks to finish the work.（劃線提問）it take them to finish the work?4）l have to wash all the plates and things after meals（劃線提問）you have to wash all the plates and things?5）the woman in the red coat is her m

13、other.（劃線捉問） is her mother?6）li ping spent twenty yuan on the dictionary.（劃線提問）li pingon the dicti on ary?思考題1 ）the worker's visited the factory already.（改成否定句、一般疑問句）the workerthe factory.the workerthe factory _?2）both of his parents are workers（改成否定句）of his parentsa worker.3）he went to the park with his sister.（劃線提問）he go to the park?4）we really enjoyed workin