5、情态动词 6、祈使句的 7、特殊：had better； used to
反意疑问句 ①肯定陈述句＋否定提问 ②否定陈述句＋肯定提问 如： ③提问部分用代词而不用名词 ④陈述句中含有否定意义的词，如：little, few, never, nothing, hardly等。其反意疑问句用肯定
They have a few friends , They have few friends , 一 般 现 在 时 They have no friends , He is a doctor , He isn't an artist , She is a beautiful girl , She isn't a beautiful lady , It is a lovely dog , It isn't an animal , 3、be的系表结构。 You are a good teacher , You are good workers , They are kind women-doctors , I am a hard-working student , We aren't good readers , My father is fifty years old , The little box is under a desk , 4、谓语动词是实义动词
isn't there? aren't there？ is there? is there? are there？ are there？ hasn't he? doesn't he? has he? does he? has he? does he? haven't you? don't you、 have you? do you? haven't they? don't they? have they? do they? have they? do they? isn't he? is he? isn't she? is she? isn't it? is it? aren't you? aren't you? aren't they? aren't I? are we? isn't he? isn'ton the desk , There are some students reading books , 1、There is/are 结构 There isn't any water in the cup , There is little milk in the glass , There aren't any buses on the street, There are few boys sitting a big tree, He has a nice watch , She hasn't a pencil-box , She doesn't have a pencil-box , She has no father or mother , You have some beautiful coats , 2、have/has做“有”讲时。 You haven't any pens, You don't have any brothers ,