1.They have met their friends at the railway station .
--> Their friends have been met at the railway station
2.They didn't allow Tom to take these books home .
-​-> Tom wasn't allowed to take these books home
3. this well - known libraty attracts many people .
​--> Many people are attracted by this well - known libraty
4.All students attended the meeting .
​--> The meeting was attended by all students
5.Mary has operated Tom since 10 o'clock 
​--> Tom has been operated by Mary since 10 o'clock
6.This is the second time they have written to us about this 
​--> This is the second time we have been written to about this
7.Mr.Smith has taught us French for 2 years 
​--> We have been taught by Mr.Smith for 2 years 
8.They didn't look after the children properly
​--> The children weren't looked after properly
9.Nobody swept this stresst last week 
​--> This street was not swepted last week
10. People drink a great deal of tea in England 
​--> A great deal of tea is drunk in England