Relative caluses

Examples:

Defining:

• "This is the best film that I have ever seen".
• " Nothing that anyone doescan replace my lost bag".
• " Do you know the girl who is talking to Tom?".
• " Jack is the boy with whom Jenny fell in love".

Non-defining:

• "The singer, whose most recent recording has had much success, is singning autographs".
• " My sister, who lives in France, is coming to stay with me next week".
• "Elephants, which are large and grey, can sometimes be found in zoos".