1. These flowers are made of silk. 

2. Was the Lulu fed last night? 

3. Has this word been spelt wrongly by him? 

4. The pizzas will be brought to our house by Nick.

5. Your money is going to be stolen if you're not careful. 

6, Has you been asked for your opinion? 

7. How are languages learnt?

8. Where will you be sent by your company next year? 

9. Who were your children looked after when you were away?

1. They make these artificial flowers of silk

=. These artificial flowers of silk are made by them

2. Did they feed Lulu last night?

=>Was Lulu fed last night?

3. He has spelt this word wrongly

=> This word has been spel wrongly

4. Nick will bring the pizzas to our house.

=> The pizza will be bought to our house by Nick

5. They are going to steal your money if you're not careful.

=> Your money is going to stolen if you're not careful

6. Has anyone ever asked you for your opinion?

=> Have you ever been asked for your opinion?

7. How do people learn languages?

=>How are languages leraned ?

8. Where will your company send you next year?

=> Where will you be sent by your company next year

9. Who looked after the children when you were away?

=> Who were looked after the children when you were away?