用英语提问的4种句型

1.WHY not do sth?
2.how/what about doing sth?
3.why don't you do sth?
4.you‘d better do

1.If i were you，i would。。。。
2.suggest sb doing。。。
3.you‘d better do。。。
4.Why not doing。。。
5.let sb do = make sb do不是提建议，是强制性的 让某人去做~

什么意思？...

你给的是陈述句的句型...