It's 11.30 and we have been waiting here since half past ten. FOR
It's 11.30 and we have been waiting __HERE FOR__ one hour.
The man suddenly realised that the neighbour was watching him. WATCHED
The man suddenly realised that he __WAS BEING WATCHED BY__ the neighbour.
"You should start a new hobby, Mr. Jenkins", the doctor said. TAKE
The Doctor advised __MR. JENKINS TO TAKE UP__ a new hobby.
Many people think Steve stole the money. (BELIEVED)
Steve __IS BELIEVED TO HAVE STOLEN__ the money.
He doesn't have enough money to buy the computer. TOO
The computer __IS TOO EXPENSIVE FOR HIM__ to buy.
The strong winds blew down the two ancient trees during the storm. BLOWN
The two ancient trees __WERE BLOWN DOWN DURING__ the storm.
I could never have passed that exam without your help. YOU
I could never have passed that exam __IF YOU HADN'T HELPED __ me.