英语外研七年级上册现在进行时肯定句与否定句

Learningaims11,Materthedefinitionandbasicstructureofthepresentcontinoustense.2,Beabletousethepresentcontinoustensecorrectly.

(Anaughtyguyaretalkingwithablindmanbythewindow.)Thenaughtyguy:

Oh!Sevengirlsaresharingoneumbrella!Theblindman:

Really?Thenaughtyguy:

Yes!andyouknowwhat?Noneofthemgotwet.

Theblindman:

Oh,Ican'tbelieveit.Theumbrellamustbeverybig.Thenaughtyguy:

No,itisn'training!23Heisdrinking.Whatisthebeardoing?WhatisPeppadoingnow?4Sheisridingabike.结论：当我们描述一个正在发生的动作要用现在进行时。5现在进行时定义1,表示现在（说话瞬间）正在进行或发生的动作。例句：Youarelisteningtomenow.2,也表示当前一段时间内的活动或现阶段正在进行的动作。例句：Heiswritingabookthesedays.现在进行时态时间状语now，atthemoment，look，listen，thesedays...例句：Theyareplayingbasketballnow.Listen!SheissinginganEnglishsong.Look!Thechildrenareflyingkitesinthepark.Wearemakingholidayplansthesedays.67现在进行时结构Be动词（is/am/are）+动词-ing,即：be+doing例：MaYunisgivingaspeech.WearelearningEnglish.一，现在进行时肯定句的构成：

主语+am/is/are+v-ing(+宾语......)8例：Iam

eating(bananas).You/We/They

are

eating(bananas).He/She/Itis

eating(bananas).主语+be动词+动词ing二、现在进行时否定句的构成：

主语+am/is/arenot+v-ing(+宾语......)9例：Iamnoteating(bananas)..You/We/They

arenot

eating(bananas)..He/She/Itisnot

eating(bananas)..否定全写=缩写isnot=isn’tIamnot=I’mnotarenot=aren’t主语+be动词+not动词ingThinkingtime1，Whatispresentcontinoustense？2，Whenandhowtouseit？3，Whatarethepositiveandnegativeformsofpresentcontinuoustense?1011Exercises用所给词的正确形式填空。1.John

（notwatch）TVnow.2.Look!

Thestudents

(listen)totheteacher.3.I

(write)abookthesedays.4.Theboy

(notdraw)apicturenow.5.Listen!Somegirls

(s