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Luyện ngữ pháp - Destination B1 ((Unit 17: Grammar - Relative clauses))


Defining relative clauses


Defining relative clauses give very important information. If we remove a defining relative clause, the sentence doesn't make sense.
Imagine that there are lots of people in a room. Only one of them is wearing a blue shirt.
The person who is wearing the blue shirt started Microsoft.

If we remove the relative clause, we won't know which person it is.
✘ The person started-Microsoft

Use Example
To define who or what we are talking about This is the TV which works. This is the TV which doesn’t work.

Helpful hints
We don’t use commas with defining relative clauses.
We can use that instead of who and which.
✓ Did you see the programme about the woman who invented Tippex?
✓Did you see the programme about the woman that invented Tippex?

Form - Non-defining relative clauses Exercise - A


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