All we have to do is to wait怎样分主谓宾吖

All we have to do is to wait怎样分主谓宾吖
All we have to do is to wait怎样分主谓宾吖

All we have to do is to wait怎样分主谓宾吖
这是主系表结构,All.we.have.to.do是主语从句,做主语,is是系动词,to.wait是表语