墨尔本文波雅思为大家视频讲解被动语态的相关语法应用。
概念：当句子的主语是动作的执行时，谓语的形式叫主动语态；当句子的主语是动作的承受者时，谓语的形式叫做被动语态。
二 构成“助动词be+过去分词”主动词be有时态、人称和数的变化，也可以构成否定或疑问句
国外烤鸭看这里：
国内烤鸭看这里
练习：
Would you please keep silent? The weather report ______ and I want to listen.
A. is broadcast B. is being broadcast
C. has been broadcast D. had been broadcast
His sister left home in 1998, and ____ since.
- A. had not been heard of B. has not been heard of
- C. had not heard of D. has not heard of
Why don’t we choose that road to save time?
—The bridge to it __________.
- A. has repaired B. is repaired
- C. is being repaired D. will be repaired
This kind of glasses manufactured by experienced craftsmen ___ comfortably.
- A. is worn B. wears
- C. wearing D. are worn
____that millions of galaxies exist in the vast space outside the Milky way
- A. It is estimated that B. An estimate that
- C. That is estimated D. That the estimate
- The scientific study of the motion of bodies and the action of forces that change or cause motion ___ dynamics.
- A. call B. is called
- C. is calling D. called
- The law ___ the number of accidents caused by children running across the road when they get off the bus.
- A. intending to reduce B. intends reducing
- C. intended reducing D. is intended to reduce
