30.Are people using recycled paper
\(\Rightarrow\)Is recycled paper being used?
31.They made us work hard every day.
\(\Rightarrow\)We were made to work hard every day by them.
32.How can we keep our fields in good condition.
\(\Rightarrow\) How can our fields be kept in good condition by us?
33.John used to ask his father a lot of question when he was a child
\(\Rightarrow\)Jonh's father used to be asked a lot of question by him when he was a child.
34.He said he would return the book next week.
\(\Rightarrow\) " I will return the book next week " he said.
35.No one helped him do his homework.
\(\Rightarrow\)He wasn't helped to do his homework .
36.They say I am very intelligent.
\(\Rightarrow\) I was said to be very intelligent by them.
37.Turn off all the switches before leaving the workshop.
\(\Rightarrow\) Let all the switches be turned off before leaving the workshop.
\(\Rightarrow\)A ll the switches should be turned off before leaving the workshop.
38.Who wrote this poem
\(\Rightarrow\)By whom was this poem written?
39.She threw everything she had to me.
\(\Rightarrow\) I was thrown everything she had.
\(\Rightarrow\)Everything she had was thrown to me by her.
40.No one likes reading .that book verbs
\(\Rightarrow\)That book verbs isn't liked reading.