My father said I could use his car.
⇒ My father allowed me to use his car.
Don't stop him doing what he wants.
⇒ Let him do what he wants. we started cooking for the party for hours ago.
"Why don't you put your luggage under the seat?"
⇒ He suggested that I should put my luggage under the seat.
"It certainly wasn't me who stole the money!" She said.
⇒ She denied having stolen my bag.
The law of supply and demand should govern the prices of goods
⇒ The prices of goods should be governed by the law of supply and demand.