在英语中要表示否定，什么时候用don't什么时候用not？ 在否定句中，什么时候用not什么时候用don't
\u5728\u82f1\u8bed\u4e2d\u8981\u8868\u793a\u5426\u5b9a\uff0c\u4ec0\u4e48\u65f6\u5019\u7528don't\u4ec0\u4e48\u65f6\u5019\u5b9e\u4e49\u52a8\u8bcd\u7528don't
be\u52a8\u8bcd\u7528
not
\u4f8b\u5982\uff1ai
don't
know.
i
don't
like
it
i
am
not
a
slacker.
\u4e00\u4e9b\u611f\u5b98\u52a8\u8bcd\uff0cwatch,see,listen,
smell
\u7b49\u7b49
\u5c31\u501f\u52a9\u60c5\u6001\u52a8\u8bcd\u6765\u8868\u8fbe\u5426\u5b9a,
i
can't
smell.
i
can't
watch.
don't =do not \uff0c\u6709\u5b9e\u4e49\u52a8\u8bcd\u7684\u53e5\u5b50\u5426\u5b9a\u53e5\uff0c\u7528do not
\u90a3\u5982\u679c\u662fbe \u52a8\u53e5\u4e2d\uff0c\u5c31\u662f are not \u6216\u8005is not
\u8fd8\u6709\u5c31\u662fcan \uff0cmay\u7b49\u53e5\u5b50\u4e2d \u7528can not \uff0cmay not
原文谓语是实意动词的变否定是借助助动词do+not
如果原文是一般现在时，且主语是第一二人称或第三人称复数时，用do+not；
如果原文是一般现在时，且主语是第三人称单数时，用does+not;
如果原文是过去时，统一用did+not.
实义动词用don't
be动词用 not
例如：i don't know. i don't like it
i am not a slacker.
一些感官动词，watch,see,listen, smell 等等 就借助情态动词来表达否定,
i can't smell. i can't watch.
当句中含有be,情态动词时，变否定句直接在它们的后面加not，
I'm not your teacher
I can not swim
而当句中含有实义动词时，变否定句要根据主语在主语后面加don't 或doesn't
I don't speak English
He doesn't like watching movies.
除了be以外的动词..用dont
be not
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