be going to be/do和be doing 的肯定句 否定句 一般疑问句 (将来式)

问题描述:

be going to be/do和be doing 的肯定句 否定句 一般疑问句 (将来式)

i am (not)going to be a teacher ,i am(not) going to go back home,i am(not) doing my homeworkare you going to be a teacher?are you going back home?are you doing your homework?