You can't find the bathroom.
You are really thirsty.
You have to carry many heavy bags.
A man (took) stole your phone in a cafe.
The class is very hot.
Your only pencil broke.
Your friend's music is too loud.
You want your friend to sit with you.
You have no money to buy something.
You need your textbook in class but left it at home.
You want a selfie with your friend.
You don't have a pencil.
Your little brother took your phone.
You want a picture of you with Big Ben.
You need to use your friend's phone.
Your friend has cookies and you're hungry.