Question

急！用Be动词（am,is,are）造三个句子，分别是陈述句、否定句和疑问句？

Answer 1

陈述句：我是一位老师。/他是一位老师。/他们都是老师。
I am a teacher. /He is a teacher. /They are teachers.
否定句：我不是老师。/他不是老师。/他们不是老师。
I am not a teacher. /He is not a teacher./They are not teachers.
疑问句：我是老师吗？/他是老师吗？/他们是老师吗？
Am I a teacher? /Is he a teacher?/ Are they teachers？

Answer 2

陈述句
My coat is red.
否定句
My coat is not red.
一般疑问句
Is your coat red?
特殊疑问句
What colour is your coat?