精选优质文档-倾情为你奉上新概念英语第一册语法总结 时态时态:一般现在时,现在进行时,一般将来时,一般过去时 / 现在完成时,过去进行时,过去完成时,过去将来时 1. 一般现在时:表示一般性,常常性的动作或一般性事实。 * 含有be动词的句子 (He is a teacher.; The girl is very beautiful. ;Tim and Jack are students.) 变疑问句将be动词移到句首 (Is he a teacher?; Is the girl very beautiful?; Are Tim and Jack students?) 变否定句在be动词后面加not (He is not a teacher.;The girl is not very thin.;Tim and Jack are not students.) 肯定回答及否定回答 (Yes he is. No he is not.Yes she is. No she is not.Yes they are. No they are