[视听材料] 赵丽老师四级语法讲义 四级, 语法, 讲义

shimianmaifu

赵丽老师四级语法讲义
过去现在将来过去将来
一般diddowill/shall doshould/would do
进行was/were doingam/is/are doingwill/shall be doing/
完成had donehave/has donewill/shall have doneshould/would have done用于虚拟语气
完成进行had been doinghave/has been doing//
赵丽老师四级语法讲义