(一)句子种类概述 句子按种类可分为陈述句、疑问句、祈使句和感叹句。 (二)基础知识梳理 1.陈述句 陈述句用来说明事实或表示说话人的看法。 1)陈述句的肯定形式。如: We are students. We must obey the traffic rules. We clean the room every day. 2)陈述句的否定形式 把陈述句改为否定句可以归纳为以下三种情况: (1)在be,have,will,shall(包括情态动词)后直接加not。如: We arent students. You neednt hand in your homework today. (2)在助动词do,does,或did后加not,再把它们放在行为动词前面,而行为动词用原形。如: We dont clean the room every day. (3)否定句可由其他形式表示。如句中出现no,nobody,few,little,neither,hardly,nor,never等。如: There are no books on the desk. I can hardly answer your question. Neither of the twins is a doctor. 2.疑问句 疑问句就是提出问题,让对方作出回答。英语中有四种疑问句,即一般疑问句、特殊疑问句、选择疑问句、反意疑问句。 |