Once promise has been made,it should not be broken.这句话的考点是:
Once promise has been made,it should not be broken.这句话的考点是:
在时间和条件状语从句中,现在完成时的被动语态代替将来完成时的被动语态.
而 If more time is given to me,the problem will be worked out.
这句话的考点是:在时间和条件状语从句中,要用一般现在时的被动语态表示一般将来时的被动语态.
这两个状语从句怎么区别是要用现在完成时的被动语态还是一般将来时的被动语态?