21 we gave my dad a surprise party on his fortieth birthday. was. my dad party on his fortieth birthday. 22 after the play, they introduced us to all the actors, we after the to all the actors. 23 they've caught the person who stole your bike! has the person who stole your caught! 24 no one had told me that jill was coming! been i jill was coming! 25 our english teacher and our german teacher are husband and wife. married our english our german teacher. 26 a neighbour is feeding our dog while we're away,being our dog neighbour while we're away. 27 use a sharp knife to cut the cake. should the cake sharp knife. 28 i'm not interested in what you think! care i you think! 29 my parents don't let me watch much tv at home, allowed to watch much tv at home. 30 they're going to invite over a hundred to the wedding reception. going to the wedding reception

21. We gave my dad a surprise party on his fortieth birthday. My dad WAS GIVEN surprise party on his fortieth birthday.

22. After the play, they introduced us to all the actors. After the play WE WERE INTRODUCED to all the actors.

23. They've caught the person who stole your bike! The person who stole your bike HAS BEEN caught!

24. No one had told me that Jill was coming! I HADN'T BEEN TOLD that Jill was coming!

25. Our English teacher and our German teacher are husband and wife. Our English teacher IS MARRIED TO our German teacher.

26. A neighbour is feeding our dog while we're away. Our dog IS BEING FED BY a neighbour while we're away.

27. Use a sharp knife to cut the cake. The cake SHOULD BE CUT WITH a sharp knife.

28. I'm not interested in what you think! I DON'T CARE What you think!

29. My parents don't let me watch much TV at home. I AM NOT ALLOWED to watch much TV at home.

30. They're GOING to invite over a hundred people to the wedding reception. OVER A HUNDRED PEOPLE ARE going to be invited to the wedding reception.