将英文否定句改写的方法有两种:
方法一:在be动词后加not,实义动词前加助动词do的否定形式don't或doesn't。
主语+be+not+其他。
主语+助动词do+not+动词原形+其他。 主语+助动词do+not+动词现在分词+其他。
方法二:在情态动词后加not,实义动词前加助动词don't或doesn't。 主语+情态动词+not+其他。
主语+助动词don't或doesn't+动词原形+其他。
需要注意的是,在改写否定句时,需要遵循语法规则,根据句子中的谓语动词选择合适的助动词。
另外,肯定句中的some在否定句中应改为any,如:There are some students in the classroom. 改写否定句:There are not any students in the classroom. 同时,在改写过程中要注意标点符号的变化,例如句号变为问号等。 特殊形式的否定句
(1)肯定句含有every-的合成词时,变否定句时改为no-。 如:Everything is ready.→Nothing is ready.
(2)肯定句中含有always, usually和ever时,变否定句时改为never。 如:He is always late for school.→He is never late for school. (3)肯定句含有many,much时,变否定句时分别改为few,little。 如:Many students know him.→Few students know him.
(4)肯定句中含有still时,变否定句时应改为no longer。 如:Tom is still in bed.→Tom is no longer in bed.
(5)肯定句含有both, both...and,all时,变否定句时应改为never,neither...nor,none。
如:Both of us are students.→Neither of us is a student. (6)肯定句含有nearly, almost时,变否定句时应改为 hardly。 如:Lily nearly knows him .→Lily hardly knows him .
(7)肯定句含有“形容词+ enough”时,变为否定句时应改为“too +形容词的反义词”。
如:He is short enough to reachit.He is too tall to reach it.
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