+Module+12+Unit3 外研版八年级英语上册

外研版八年级英语Module12HelpUnit3Languageinuse语法写作祈使句情态动词手抄报话题写作祈使句的句型1.动词原形构成的祈使句通常省略主语you，谓语动词用原形。否定句由don’t或never开头。祈使句的句首或句末有时加please。Makesureyouturnoffallthelightsbeforeyougoout.Don’tstandnear

lightsorunderpowerlines.2.let构成的祈使句由“Let+me/us/him/her+动词原形”构成。这类祈使句往往用于请求允许（letus）或提出建议（let’s）。Let’sspendthisweekendinthecountryside.Lethimbeherebyteno’clock.3.无动词祈使句在请求，命令和口号中，常用无动词祈使句，它实际上是省略了动词，从而使语句更简洁有力。Justaminute,please!在一些指示牌上，常用“No+动名词/名词”构成省略的否定祈使句。例如：Nosmoking!Don’t______upEnglish.It’sveryimportant.A.giveB.hurryC.stay2.—Oh,we’vemissedthe6o’clockfilm.—______.It’llbeonagainintwohours. A.HavefunB.Don’tworryC.SoundsgreatD.You’rewelcome练一练3.Whichisatrafficsign?A.KEEPQUIETB.DONOTDISTURBC.TURNLEFTD.SOLDOUTABC祈使句分类V原形开头Please开头表委婉Let开头Don’t开头Never+动原Let’s/me+not+动原NO+名词/动名词Don’tlet+第三人称+动词无动词祈使句情态动词表示推测1.can可以表示对现在或将来的推测，意为“会，可能”。通常用于肯定句和疑问句。用于否定句时，can’t表示“不可能”；用于否定句时，can比could表示的“可能性”更大。例如：Whosentthepresent?Canitbeyourbrother?Itcan’tbemybrother.HeisstillinFrance.2.could也表示对现在或将来的推测，意为“会，可能”。could可以用于肯定句、否定句和疑问句，表示某事有可能发生或可能是事实。例如：Hecouldbeinpain.Thatcouldbeharmful.3.must也表示猜测，意为“一定，准是”。通常用于肯定句。例如：Betty,youmustknow!Itmustbeyourbrother.练一练2.—IsthatgirlunderthetreeMary?—No,that______beMary.SheisinNewYork.A.canB.mustn’tC.can’t1.Thatman_____bemyEnglishteacher.HehasgonetoCanada.A.needn’tB.mustn’tC.can’t3.—You_____behappywiththestrongpublicsupportyou’vereceived.

—Yes,you’reright.I’mreallyexcited.

A.mayB.canC.mustD.needCCC请你根据下面提示，为中学生写一篇介绍在地震中如何做好防护的短文。100词左右。（1）保持冷静；（2）不要乱跑，找个安全的地方藏身：①在室内：藏在硬物下；地震停止时迅速跑出；不要用电梯；②在室外：找个开阔的地方；不要靠近汽车或水边；不要站在街灯附近或电线下；③在开车：靠路边停车。Anearthquakemayhappenatanytime.It’simportantforyoutoprotectyourselvesduringtheearthquake.Calmnesswillmakepeoplemaketherightdecision,otherwiseitwillbeamess.Besides,you’dbetternotruninahurry.Instead,youshouldfindsomesafeplacestostay.Ifyouareinside,it’sagoodideatohideyourselfundersomethinghard,suchasadesk,atableorevenabed.What’smore,youshouldleavethebuildingquicklywhenthegroundstopsshaking.Remembernottousethelift.Ifyouareoutside,findanopenplaceandnevergetclosetocarsorwaterside.Don'tstandnearstreetlightsorunderpowerlines.Ifyouaredrivingacarorabus,youmustdrivetothesideoftheroadandstop.

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