Relative clause 1 He had a lot to say about his new computer. None of it interested me very much. -> 2 I don't know the reason. She hates him because of that reason. -> 3 The school has been given 20 computers. Half of them are brand new. -> 4 Seila couldn't come to the party. This was a pity. -> 5 I have two sisters. None of them are married. ->