Easy Word | Luyện ngữ pháp


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


Non-defining relative clauses


Non-defining relative clauses give extra information. The sentence makes sense without the relative clause.
That man over there, who is called Bill Gates, started Microsoft.

If we remove the relative clause, the sentence still makes sense:
That man over there started Microsoft.

Use Example
To give extra information This program, which is totally free, protects your computer against viruses.

Helpful hints
We use commas with non-defining relative clauses.
✓ Carl, whose sister is famous, is a friend of mine

Form - Relative pronouns Form - Defining relative clauses


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