第五讲句型看台专题一陈述句用来说明一个事实或表达说话人的看法、观点的句子叫做陈述句。陈述句朗读时通常用降调，句末用句号。如：Sheisagoodstudent.她是一个好学生。Wearegoingtodoourhomeworkafterclass.放学后我们做家庭作业。考点陈述句的形式陈述句有肯定式和否定式两种形式。1．陈述句的肯定式陈述句的肯定式有以下几种形式：(1)主语＋系动词＋表语如：Thisismyfather.这是我父亲。It'swarmtoday.今天暖和。(2)主语＋谓语动词如：Icanhardlywait.我等不及了。Theteachersmiled.老师笑了。(3)主语＋谓语动词＋宾语如：Iwantsomechickenandahotdog.我想要一些鸡肉和一个热狗。Icanusechopsticks.我能用筷子。(4)主语＋谓语动词＋间接宾语＋直接宾语如：Mymotherisgoingtobuymeanewskirt.我妈妈将要给我买一条新裙子。ThedrivertoldusmanythingsaboutKunming.司机告诉了我们许多关于昆明的事。(5)主语＋谓语动词＋宾语＋宾语补足语如：ShespeaksEnglishwell.她英语讲得好。Mybabysistercallsmymom“mommy”．我的小妹妹叫我妈妈“妈咪”。2．陈述句的否定式(1)陈述句的否定式有以下几种形式：①主语＋be动词＋not＋其他(谓语动词是be动词时的否定式)如：Thosearenotmyglasses.那不是我的眼镜。Lucywasnotlateforschoolyesterdaymorning.露西昨天早上上学没有迟到。②主语＋助动词(do/does/did)＋not＋实义动词＋其他如：Idon'tlikegrapes.我不喜欢葡萄。Myfatherdidn'tgoshoppinglastweek.我爸爸上周没有去购物。③主语＋情态动词＋not＋实义动词＋其他如：Ican'tfindSarah.我找不到萨拉。(2)否定式的缩写形式isnot＝isn'tarenot＝aren'tdonot＝don'tdoesnot＝doesn'tdidnot＝didn'twillnot＝won'twerenot＝weren'twasnot＝wasn't【例1】按要求改写句子。1．Shedoesherhomeworkeveryevening.(改为否定句)____________________________________________________2．Wedon'thaveanylessonsonSundays.(改为肯定句)____________________________________________________☞思路点拨：第1题中，借助于助动词doesn't构成否定句，并将动词does改为do。第2题中，将否定句变为肯定句，当谓语动词是“do＋not＋实义动词”时，删去句中的donot，再将句中的any变为some。【答案】1.Shedoesn'tdoherhomeworkeveryevening.2.WehavesomelessonsonSundays.【例2】根据图片将句子补充完整。1.Theparkis________________.2.Lucy____________________.☞思路点拨...
