Guidance will be given to enable you to (a) clearly see the linguistic structures of the following expressions; and (b) readily produce expressions with such structures.
To ensure your success, adequate examples will be further provided with clear explanation.
Restrictive
People who take physical exercise are more likely to live longer.
Those who help the handicapped deserve our support.
A triangle which has 3 sides equal is called an equilateral triangle.
1 July 1997 was the date on which sovereignty over Hong Kong reverted to China.
You should restrict yourself to words with which you are familiar and which you can use confidently.
The person to whom complaints should be addressed is Miss Rebecca Miller.
The lady with whom I went to Paris last month speaks fluent English and French.
The office in which he works … (the office where he works …)
The restaurant at which I had lunch … (the restaurant where I had lunch …)
The reason for which he comes here is … (The reason why he comes here is …)
She must be one of the most remarkable women that (has) ever lived.
Non-restrictive
Brussels, which is the headquarters of the European Union, is an attractive city.
The Bible, which has been translated, remains a bestseller.
Here is John Smith, whom I mentioned the other day.
This fountain pen, which cost me a lot of money, leaks badly.
This problem, to which reference was made 3 months ago, has not yet been solved.
Five years ago he came to London, where he has lived ever since.
Tacloban, which is a city of about 220,000 people on Leyte Island, bore the full force of the winds and the tsunami-like storm surges.