be better do还是be better to do

be better do还是be better to do 是be better do 还是better to do . It would be better to do sth. good to know ,better to do ,best to be do well in是等于be better at还是be better in? be better to do sth.和would better do sth.有什么区别 be better to do sth.和would better do sth.有什么区别求解 一个英语常识题~you would better后面接to do还是do?would be better后面接do还是t 是had better to do还是had better do had better +do sth 还是had better +to do sth 是would better do 还是would better to do had better do还是had better to do