语法是英语学习的基础，也是四六级英语考试的基础，掌握好英语语法无论是对还是以后的英语学习都是有很大帮助的。下面小编为大家整理了常考知识讲解，一起来学习一下吧
　　英语常考知识点讲解：双宾语及宾补结构 双宾语及宾补结构的被动语态 双宾语结构的被动语态: 双宾语结构变为被动语态时,可以把主动结构中的一个宾语变为主语,另一个宾语仍然保留在谓语后面,但多数是把间接宾语变为主语.
He was asked a number of questions at the press conference.
Two days were allowed them for making the necessary preparations. 宾补结构的被动语态
She was called Big Sister by everybody. Then he was made a squad leader.
He was considered quite qualified for the job.
The room was always kept clean and tidy.