一般疑问句 Is he a teacher?/Does he do his homework?
肯定句 he is a teacher./he does his homework.
否定句 he is not teacher .he doesn't do his homework.
改成复数 They are teachers .
我是英语教师,不明再问.
一般疑问句 Is he a teacher?/Does he do his homework?
肯定句 he is a teacher./he does his homework.
否定句 he is not teacher .he doesn't do his homework.
改成复数 They are teachers .
我是英语教师,不明再问.