13 陈述句-小学语法精讲精练（附口诀、练习和答案）

小学语法精讲精练 专题13 陈述句思考引入 同学们! 你们谁知道什么是陈述句吗?我知道!陈述句是用于陈述一个事实或说话者看法的句子,以句号结尾我们语文老师讲过的,我还知道陈述句有肯定和否定种形式呢!哈哈,两个小朋友都很厉害哟!英语中的陈述句也是这样的,但陈述句的肯定和否定形式却大不一样我们一起来看看吧!知识概览知识精讲一、陈述句的肯定形式根据谓语部分的不同形式，陈述句的肯定形式可分为四种；1.主语+系动词+表语I'm very happy.我很高兴Mary is a student.玛丽是一名学生They are good friends.他们是好朋友2.主语+谓语动词(+其他)The baby laughs.小宝宝笑了I like watching TV.我喜欢看电视She watched a movie yesterday.她昨天看了一部电影3.主语+情态动词+动词原形(+其他)I can sing.我会唱歌I must find my bag.我必须找到我的包You should exercise more.你应该多锻炼4.主语+助动词+动词原形/分词(+其他)They are playing soccer.他们正在踢足球。

My father will go to Beijing.我的爸爸将要去北京He has been there for three days.他已经在那儿待了三天了热身小练①翻一翻请你将下列句子翻译成英文1.我会游泳2.他是我的哥哥3.我有一个苹果4.我的妈妈正在做晚餐答案：1.I can swim.2.He is my brother.3.I have an apple.4.My mother is cooking dinner.二、陈述句的否定形式陈述句的否定形式是在肯定形式的基础上加否定词not或do/does/did not,"be动词/情态动词/助动词+ not"构成的否定式可缩写陈述句的否定形式主要有下面三种1.主语+ be动词+ not +其他I am not good at math.我不擅长数学He is not(= isn't)a doctor.他不是医生They are not(= aren't) very busy now.他们现在不太忙there be句型的否定形式与这一句式的否定形式相似，都是直接在be动词后面加not,如：There is a tree here.→ There is not (= isn't) a tree here.2.主语+情态动词+ not +动词原形(+其他)I can not(= can't)dance.我不会跳舞。

You should not(= shouldn't) be late.你不应该迟到I can not(= can't) tell the story in English.我不会用英语讲这个故事3.主语+助动词+ not +动词原形(+其他)l do not(=don't) have a basketball.我没有篮球The bell does not(= doesn't) ring.铃没响She did not (= didn't) watch TV last night.她昨晚没看电视He will not(= won't) go to the party.他不会去参加聚会主语+助动词+not+动词原形(+其他)”对应两种肯定陈述句的形式：①主语+谓语动词(+其他),在谓语动词前面加do/does/did not,谓语动词变原形如：The baby laughs.→ The baby does not laugh.②主语+助动词+动词原形/分词(+其他),直接在助动词后面加not如：My father will go to Beijing.→ My father will not go to Beijing.热身小练②变一变。

请你将下列肯定陈述句变为否定陈述句1.My mother is a nurse.________________________________________________2.Li Hong wants to go shopping.________________________________________________3.Mr. Liu likes reading newspapers.________________________________________________4. She can speak English very well.________________________________________________答案：1.My mother isn't a nurse.2.Li Hong doesn't want to go shopping.3.Mr.Liu doesn't like reading newspapers.4. She can't speak English very well.知识精练一、单选题1．There ______ any tomatoes in the fridge. But there ______ some tomato juice in it. A．are; are B．aren’t; is C．aren’t; aren’t2．—______ your brother in the English Club? —Yes, but he ______ go there very often.A．Does; doesn’t B．Does; isn’t C．Is; does D．Is; doesn’t3．Tom ______ help his mother clean the house. A．not B．don’t C．didn’t4．We ____ any Chinese classes on Friday. A．are having B．aren’t having C．don’t have D．are have5．She ____ like drawing. A．doesn’t B．don’t C．isn’t D．not6．There ______ any traffic lights here. A．are B．aren’t C．isn’t D．is7．—How did you spend your weekend? —I ______ to any places. It ______ the whole(全部的) weekend.A．went; rainy B．weren’t go; rainy C．didn’t go; rained D．didn’t went; rained8．She ________ be Helen. She went to the UK yesterday. A．shouldn’t B．can’t C．mustn’t D．doesn’t9．I always brush my teeth twice a day, but my brother _________. A．does B．doesn’t C．don’t10．The boy _____ to his teachers at school, but he ______ well at home. A．listens; doesn’t do B．listens; does C．listen; doesn’t do二、改写句子11．Tom did the housework yesterday. (改为否定句) Tom _________ _________ the housework yesterday.12．Helen did her homework on time yesterday. (改为否定句)Helen ______ ______ her homework on time yesterday.13．Mrs White did housework yesterday. (改为否定句) Mrs White ______ ______ housework yesterday.14．Tom will travel around the world with his family. (改为否定句)Tom _________ around the world with his family.15．She will buy some presents on Children’s Day.(改为否定句)She _____ buy _____ presents on Children’s Day.16．The girl did some homework and housework just now. (改成否定句) The girl ______ ______ ______ homework ______ housework just now.17．I’ll visit many places. (改为否定句)I ____________ visit many places.18．The cat ate the mouse. (改为否定句)The cat ____ ____ the mouse.19．I ate a lot of rice for dinner. (改为否定句)I _____ _____ a lot of rice for dinner.20．Yang Ling sometimes has a lot of noodles for dinner. (改成否定句)Yang Ling sometimes _____ ____ a lot of noodles for dinner.21．We should save water to protect the Earth. (改为同义句) We shouldn’t ______ water to protect the Earth.22．I brush my teeth in the morning. (用Yang Ling改写句子)Yang Ling ______ ______ teeth in the morning.23．Tom woke Bobby up just now. (用tomorrow改写)Tom _____ _____ Bobby up tomorrow.24．I have some vegetables in the morning. (用he替换I改写。