which or what
Word | Explanation | Example |
---|---|---|
which | You have a limited choice of things. | Which lemonade do you like – green or pink? |
what | You have an unlimited choice of things. | What lemonade do you like? |
With nouns that refer to people, sometimes which is used – even if there is an unlimited choice.
It is often possible to use what or which, like in the following example.
- What is the largest country in the world?
- Which is the largest country in the world?
BUT – if you choose sth from a group of things, use which.
- Here are three apples. Which one would you like?
who's or whose
Word | Explanation | Example |
---|---|---|
who's | contracted form of who is | Who's from Wales? = Who is from Wales? |
contracted form of who has | Who's broken the window? = Who has broken the window? | |
whose | possessive | Whose textbook is this? |
this, that – these, those
We use:
- this and that in the singular,
- these and those in the Plural.
Generally speaking, we use this/these to refer to people and things, situations and experiences that are close to the speaker or very close in time. We use that/those to refer to people and things, situations and experiences that are more distant, either in time or physically.
- This is a great game. (We are watching the game.)
- That was a great game. (The game is over.)
The demonstrative determiner and the demonstrative pronoun
demonstrative determiner (together with a noun): This book is new.
demonstrative pronoun (stand on its own): This is a new book.