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第三章 句 型 家有学霸 曹老师(lǎoshī) 在英语中,根据句子用途的不同,可以分为陈述句、疑问句、祈使句和感叹句四类(sì lèi)。此外,there be句型作为一种特殊而重要的句型,在小学阶段也应注意掌握。 第一页,共19页。 知识(zhī shi)梳理 一、陈述句的概念 陈述句是用来陈述事实(shìshí)或者说话人的看法的句子。它包括肯定句和否定句两种。在书写时句末用句点,在朗读时用降调。 如:This is a nice book. ( ) Susan likes maths very much. ( ) My father doesn’t go to work on weekends. ( ) They aren’t going to climb the mountain this Saturday. ( ) 第一节 陈述句 第二页,共19页。 二、肯定句变否定句的基本方法 1. 句中有be动词(dòngcí)的句子:变为否定句时只需在be动词(dòngcí)后加not。 如:(1)I am in Grade Six this year. →I’m not(I am not) in Grade Six this year. (2)Mike is going to play football this afternoon. →Mike isn’t(is not) going to play football this afternoon. (3) These are red apples. →These aren’t(are not) red apples. (4) It was a fine day yesterday. →It wasn’t(was not) a fine day yesterday. (5) We were happy at