只有两形式:肯定,肻定 yes , ...do /did /was .
否定,否定 no, .didn't / aren't.
只是陈述句是否定时,翻译成汉语意思相反.如, he isn't a good boy. is he? yes ,he is (不,他是.)no. he isn't( 是的,他不是)
只有两形式:肯定,肻定 yes , ...do /did /was .
否定,否定 no, .didn't / aren't.
只是陈述句是否定时,翻译成汉语意思相反.如, he isn't a good boy. is he? yes ,he is (不,他是.)no. he isn't( 是的,他不是)