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第三部分：句法 1.陈述句 (1)肯定句：是指用肯定的语气来陈述的句子，如：Im a student. She is a doctor. He works in a hospital. There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening. (2)、否定句：含有否定词或表示否定意义词的句子，如：Im not a student. She is not (isnt) a doctor. He does not (doesnt) work in a hospital. There are not (arent) four fans in our classroom. He will not (wont) eat lunch at 12:00. I did not (didnt) watch TV yesterday evening. 2. 疑问句 一般疑问句：是指询问事实的句子，此类句子必须用yes，或no来回答。 特殊疑问句：以特殊疑问词(what , where , who , which , when , whose , why , how等)开头引导的句子。此类句子应该问什么就答什么，不能用yes 、no来回答。 3.There be句型 There be 句型与have, has的区别 1、There be 句型表示：在某地有某物(或人) 2、在there be 句型中，主语是单数，be 动词用is ; 主语是复数，be 动词用are ; 如有几件物品，be 动词根据最*近be 动词的那个名词决定。 3、there be 句型的否定句在be 动词后加not , 一般疑问句把be 动词调到句首。 | 
