Most commonly used relative pronouns are who, which, that, whose, when and where.
We normally use who for people and some pet animals and which for things.
We can use that instead of who or which.
The woman who (that) gave me the letter.
She gave me the letter which (that) was red.
This is the computer which (that) costs a lot of money.
Is this the person who (that) stole your purse?
We use whose as the possessive form of who:
This is the man whose house we bought.
Jane married a man whose family adore her.
We use when to introduce time:
There is a time when everyone needs to rest.
5 o’clock is the time when we usually have tea.
We use where for place:
I know a place where they serve excellent fish and chips.
This is the town where I used to live.
Quiz: Relative Pronouns