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小学英语陈述句一、 陈述句的概念陈述句是用于陈述事实和观点的句子。陈述句包括肯定结构和否定结构，句末用句号。如：This is a desk. (肯定结构)He can sing and dance. (肯定结构)He doesnt have a computer. (否定结构)There arent any pictures. (否定结构)二、 肯定句变否定句的基本方法1. be动词的否定式be 动词根据不同的人称和时态有不同的形式，在一般现在时中是am , is , are可用作联系动词，构成否定式时，一律在其后面加否定词not.He is reading. - He is not reading. They are from China. - They are not from China.2. 情态动词的否定式情态动词的否定式是在其后面直接加not. 如：I can swim. - I cant swim. He can dance. - He cant dance. You should go to school at seven. - You shouldnt go to school at seven.3. 实义动词的否定句实义动词变否定句时，要借助助动词do , does，在一般现在时中用do或者does其句子结构为：主语+ dont / doesnt + 动词原形+其它例如： I like pop music. - I dont like pop music.He likes running. - He doesnt like running.She does her homework at home. - She doesnt do her homework at home.典型例题：1. My sister _ moon cakes with eggs in them.A. dont like B. doesnt like C. doesnt likes D. doesnt liking 2. He often does his homework at home. 变为否定句_3 . He doesnt goes to the zoo every Sunday.(改错题) （ ）_A B C D 4. Does Li Lei likes sports? （判断正误）( )开心练习：一、 将下列句子变为否定句，每空一词。1 This is a desk. This _ a desk.2. Grandpa tells stories to us every evening.Grandpa _ _ stories to us every evening.3. He can draw pictures. He _ draw pictures.4. He has a nice watch.He _ _ a nice watch.5. They do a lot of homework at school.They _ _ a lot of homework at school.6. You must play football here.You _ play football here.7. They are having an English class.They _ _ an English class.8. Peter goes to the zoo once a year.Peter _ _ to the zoo once a year.开心突破：二、 下面各句四处划线部分有一处是错误的，请指出并改正。1. He doesnt the homework every day. ( )A B C D2. He doesnt have some rice for supper. ( ) A B C D3. This coat are red. That coat is blue. ( ) A B C D4. He dont go to school yesterday. ( )A B C D三、连词成句。1. playing , like , I , football_2.arent , any , wall , the , pictures , there , on _3. waiting , bus , for , the , we , are _4. much , the , how , shirt , is _
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