1---------------------------------------------------------------------------------------------------------------------------------------------------------------- 句子的种类 【名师点睛】 一
陈述句的构成形式及基本用法 1
陈述句: 陈述句是用来陈述一个事实或表达说话人看法(包括肯定和否定)的句子
通常用降调,句末用句号“
Tom has a new car
The flower isn’t beautiful
陈述句否定式的构成 (1) 如果肯定陈述句的谓语部分含有助动词、情态动词或连系动词be,则只需在这些动词后加 not 即可构成否定式
He is playing the guitar
(肯定) He is not playing the guitar
(否定) We can get there before dark
(肯定) We can’t get thee before dark
(否定) (2) 如果陈述句的谓语动词是实义动词,而其中又没有情态动词或助动词时,则需根据人称和时态在该实义动词前加 don’t, doesn’t 或didn’t
同时把该实义动词变为原形
He plays the violin well
(肯定) He doesn’t play the violin well
(否定) She won the game
(肯定) She didn’t win the game
(否定) (3) 如果句子是there be 结构或谓语动词是have(有),除了 be 和have 之后加 not 之外,句中如果有some 要变为 any
例如: There is som