精选优质文档-倾情为你奉上句子（陈述句，疑问句，感叹句，祈使句）一、陈述句：是用来陈述一件事情或表示一种看法，可分为肯定句和否定句两种形式。1、谓语动词是be动词,助动词have, has, will,情态动词can等时，只要直接在这些词后面加not就构成否定形式。 eg. Lily has already read this new book. (改为否定句) Lily _ _ this new book _. 2、谓语动词是行为动词而又没有助动词或情态动词时，必须在谓语动词前加助动词，一般现在时加助动词do ，第三人称单数加does，一般过去时加did，再和not构成否定结构。必须指出的是：dont, doesnt, didnt后都用动词原形。 eg.1)Jill has lunch at school every day. (改为否定句) Jill _ _ lunch at school every day. 2)The children had a good time at th
