現(xiàn)在進行時結(jié)構(gòu)

1、僅供個人參照Forpersonaluseonlyinstudyandresearch;notforcommercialuse一、見解?此刻進行時表示說話時正在進行或發(fā)生的動作,也可表示目前一段時間內(nèi)的活動或現(xiàn)階段正在進行的動作?構(gòu)造：助動詞?be?(?am?/?is?/?are?)?+此刻分詞.?二、?此刻分詞的組成：?1.大部分動詞后可在動詞后直接加-ing?Eg:?carry-carrying,catch-catching,drink-drinking,?enjoy-enjoying?hurry-hurrying?,do-doing?,?read-reading?,?think-think

2、ing?2.?假如動詞以-e結(jié)尾,則去掉-e,再加-ing,?如come-coming?,?have-having?,?make-making,ride-riding,write-writing,take-taking,use-using?3.?假如動詞只有一個元音字母,爾此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?4.?假如動詞有兩個音節(jié),且重音在第二個音節(jié)上,則尾端的輔音字母雙寫,加-ing,?如:?forget-forgetting,prefer-p

3、referring,travel-travellingswim-swimming5.?以?-ic?結(jié)尾的動詞，應(yīng)先把?-ic?變成?-ick,再加?-ing,eg:?panic/panicking?lie/lying?,die/dying,tie/tying是特別變化要記著?三、句型構(gòu)造：?1.此刻進行時的必然形式、否認形式、疑問形式及其回答,全部變化都表此刻助動詞?be?(?is?/?am?/?are?)?上?1)此刻進行時的必然形式：主語+be(am/?is/are)+doing+其余成分?I?am?singing?.?They?are?writing?.?2)此刻進行時的否認形式:主語+

4、be(am/?is/are)+not?+doing+其余?I?am?not?singing?.?They?arent?writing?.?3）一般疑問句及回答：be(am/?is/are)+?主語+doing+其余成分?Am?I?singing?Yes?,you?are?.?/?No?,you?arent?.?Are?they?writing?Yes?,they?are?.?/?No?,they?arent?.?4)特別疑問句及回答:特別疑問詞+be(am/?is/are)+主語+doing+其余成分What?are?you?doing?We?are?playing?(要求就發(fā)問內(nèi)容詳細回答)

5、.?2.?縮寫形式以下:?I?am-Im?You?are-Youre?He?is-Hes?She?is-Shes?It?is-Its?We?are-Were?They?are-Theyre?四用法：1.表示此刻(?指說話人說話時)?正在發(fā)生的事情常常與?now,at?the?moment,just?等副詞連用,以示重申?We?are?waiting?for?you.?What?are?you?doing?Some?ones?knocking?at?the?door?2.正在進行著的動作可視為未達成的動作：?Hes?talking?to?his?friends?in?the?classroom可

6、.?用?still?一詞重申換作的連續(xù)性?Hes?still?talking?to?his?friends?in?the?classroom.?3.?表示一段時間內(nèi)重復性的動作,說話時動作未必正在進不得用于商業(yè)用途僅供個人參照行?Mr.?Black?is?writing?another?article.?4.此刻進行時可用來表示不會長久發(fā)生的動作或狀況,或被以為在短期內(nèi)正在進行的動作或存在的狀態(tài)?Whats?your?brother?doing?these?days?Hes?studying?English?at?Oxford?University.?5.此刻進行時也能夠用來表示目前的動向：?

7、People?are?becoming?more?and?more?beautiful?these?days.?6.?表示漸變的動詞有：become,turn,get,grow,run,go,begin等?The?leaves?are?turning?brown.?Itng?colder?and?colders?getti.?7.與always,constantly,forever?等詞連用,表示頻頻發(fā)生的動作或連續(xù)存在的狀態(tài),常常帶有說話人的主觀色彩?You?are?always?changing?your?mind.?一.用此刻進行時達成以下句子:?1.?_you_(fly)?a?kite

8、?Yes,_.?2.?_you_(sit)?in?the?boat?3.?_he_(talk)?with?me?4.?We_(play)?football?now.?5.?What_you_(do)?6.?I_(sing)?an?English?song.7.?What_he_(mend)?8.?He_(mend)?a?car.?9.?These?boys?_?(play)?tennis?on?the?playground.?10.?My?mother_?(cook)?in?the?kitchen.?11.?We?cant?help?you,because?we?_?(have?)classe

9、s.?12.?_?the?boy?_?(write)?his?homework?13.?Look!?These?butterflies?_?(fly)?in?the?sky.?14.?Listen!?The?girl?_?(sing)?in?the?next?room.?15.?The?naughty?boy?_?(swim)?in?the?river.選擇?1.?Look.?Lucy?is_?a?new?bike?today.?A.?jumping?B.?running?C.?riding?D?takeing?2.?The?children?_?football.?A.?is?playing

10、?B.?are?playing?C.?play?the?D.?play?a?3.?They?_TV?in?the?evening.?They?do?their?homework.?A.?are?watching?B.?cant?watching?C.?dont?watch?D.?dont?watching?4.?Listen!?She_?in?the?classroom.?A.?is?singing?B.?sing?C?.to?sing?D.?is?sing?5.?_are?you?eating?Im?eating?_?meat.A.?What,some?B.?Which,any?C.?Whe

11、re,not?D.?What,a?6.?Is?she?_?something?A.?eat?B.?eating?C.?eatting?D.?eats?7?I?cant?catch?up?with?the?fashion,because?the?clothes?style_?all?the?time.?A.?has?changed?B.?is?changed?C.?is?changing?D.?changed?8.?Its?six?in?the?afternoon.?The?Greens_?lunch?together.?不得用于商業(yè)用途僅供個人參照A.?has?B.?are?having?C.

12、?have?had?D.?had?had?9.?Dont?make?any?noise?while?the?students_?to?the?class.?A.?are?listening?B.?listened?C.?have?listened?D.?had?listened?10.?Jack?and?Ketty_?in?the?lake.?Lets?join?them,shall?we?A.?swim?B.?have?swum?C.?swam?D.?are?swimming不得用于商業(yè)用途僅供個人參照僅供個人用于學習、研究；不得用于商業(yè)用途。Forpersonaluseonlyinstudyandresearc