Давайте разберём каждое из предложений и закончим их так, чтобы они не изменили первичного смысла.
You said something to me. But I didn't hear it.
I didn't hear what you said to me.When I say something you never agree with it.
You never agree with what I say.If I can't afford something, I never buy it.
I never buy things that I can't afford.The boss said something. It made everybody laugh.
What the boss said made everybody laugh.You did something at the party. It was terrible.
What you did at the party was terrible.Susan and Tom want to buy my house. Susan and Tom arrived and Tom.
They are the people who want to buy my house.I used to work in an office. The office was near the station.
The office where I used to work was near the station.I received a letter. The letter urged me to pay the bill.
The letter I received urged me to pay the bill.I spoke to Mr. Brown's secretary. Mr. Brown is the CEO. The man.
The man I spoke to is Mr. Brown's secretary.I saw a job advert in the paper. The job looked interesting.
The job I saw in the advert looked interesting.You gave a talk. The talk was about intelligent machines.
The talk you gave was about intelligent machines.I met a lady called Rachel. Rachel took a driverless car.
Rachel, whom I met, took a driverless car.Jenny is a girl. Jenny's car was in a car accident.
Jenny, whose car was in a car accident, is a girl.
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