来源：BBC英语教学
原标题：英语中句子的主动与被动语态的变换
语态英语中的被动语态使用频率很高，很多句子可以从主动语态变为被动语态。你知道主动句和被动句之间转换的规则吗？来试试今天的#英语小测验#，挑战你的英语知识：
1 What is the correct passive transformation of this active sentence？
Scientists have discovered a new species of fish at the bottom of the ocean.
a） A new species of fish has been discovered at the bottom of the ocean by scientists.
b） A new species of fish is discovered at the bottom of the ocean by scientists.
c） A new species of fish is to be discovered at the bottom of the ocean by scientists.
d） A new species of fish was been discovered at the bottom of the ocean by scientists.
2 What is the correct active transformation of this passive sentence？
I was well looked after by the medical staff at the hospital.
a） I looked after the medical staff at the hospital very well.
b） I was to be well looked after by the medical staff very well.
c） The medical staff at the hospital looked after me very well.
d） The medical staff at the hospital were looked after very well by me.
3. What words complete the following sentence？
This work __________ yesterday. Why is it late？
a） should be handed in
b） is handed in
c） needs to be handed in
d） should have been handed in
4. I ________I need to study harder if I am to pass my exams。
a） am telling
b） have been told
c） was telling
d） had told
5. What is the correct active transformation of this passive sentence？
I was asked to speak at the conference by the organisers.
a） I asked the organisers to speak at the conference.
b） I have asked the organisers if I can speak at the conference.
c） The organisers will ask me to speak at the conference.
d） The organisers asked me to speak at the conference.
6. What is the correct passive transformation of this active sentence？
Someone stole my car from outside my house last night.
a） Someone was stolen from my car outside my house last night.
b） My car was stolen from outside my house last night.
c） Someone has stolen my car last night from outside my house.
d） My car is being stolen from outside my house last night.
答案
1） a， 2） c， 3） d， 4） b， 5） d， 6） b.
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