used to show the purpose of an action or the use of something
He went to the store for milk.
This brush is perfect for painting walls.
used to show who is meant to receive or benefit from something
I bought these flowers for my mother.
There's a letter here for you.
used to say how long something lasts
They talked for two hours.
She has lived here for a decade.
used to show what is given in exchange or the price of something
I bought the bike for $50.
She swapped her sandwich for an apple.
showing that someone supports, favors, or approves of something
Are you for or against the plan?
Most of the team is for the new rules.
used to say that something is true when compared with what is normal or expected
She's tall for her age.
It's pretty warm for November.
used to show that something represents, means, or is a sign of something else
In math, 'π' stands for 3.14.
What does 'CEO' stand for?
because; since (formal or literary)
I must leave now, for the train is about to depart.
She stayed indoors, for it was raining heavily.
