Question

114.2 What do you say in these situations? Use in case.
1 It's possible that Mary will need to contact you, so you give her your phone number.
You say: Here's my phone number in case you need to contact me
2 A friend of yours is going away for a long time. Maybe you won't see her again before she
goes, so you decide to say goodbye now.
You say: I'll say goodbye now
3 You are shopping in a supermarket with a friend. You think you have everything you need,
but perhaps you've forgotten something. Your friend has the list. You ask her to check it.
You say: Can you
4 You are giving a friend some advice about using a computer. You think he should back up
(= copy) his files because the computer might crash (and he would lose all his data).
You say: You should back up

Answer 1

Here's my phone number in case you need to contact me.

I'll say goodbye now in case I don't get to see you again before you leave.

Can you check the list, just in case I forgot something?

You should back up your files in case the computer crashes and you lose all your data