英语 改为一般疑问句,否定句,并用yes和NO回答!(我插一句,要用现单三吗?）1.she is a teacher 2.he can swim 3.they like red 4.tim likes red

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Is she a teacher? Yes, she is. No, she isn't
Can he swim? Yes, he can. No, he can't
Do they like red? Yes, they do. No, they don't
Does Tim like red? Yes, he does. No, he doesn't

Is she a teacher?Yes,she is./No,she is not
She is not a teacher.
Can he swim?Yes,he can./No,he can't.
He can't swim.
Do they like red?Yes,they do./No,they don't.
They don't like red.
Does Tim like red?Yes,he does./No,he doesn't.
Tim doesn't like red