1. For indicates a recipient or beneficiary.

Pattern 1: noun + for + noun
I have a present for you.

Nouns often used before for:
answer, cure, gift, idea, job, message, letter, plan, present, project, question, suggestion, surprise, secret

Pattern 2: noun + for + 0 noun
We have news for you.

Typical nouns before for:
advice, help, information, news, nothing, something

Pattern 3: verb + noun + for + noun
She sang a song for me.
He only wants the best for you.

Verbs often used before for:
bake, build, buy, care, cook, create, dance, design, do, get, make, perform, play, sing, want, win, work, write

2. For indicates a special purpose.

Pattern 1: noun + for + noun
You need a coat for winter.
He has a bicycle for transportation.

Pattern 2: noun + for + verb in gerund form
They have a special place for washing cars.
The doctor has a machine for measuring blood pressure.

Expression:
room for—enough space for something or somebody
We need room for twenty people for our party.
We don't have room for a grand piano.

3. For can indicate the intended result of an action.

Pattern 1: verb + for + noun
The boys were screaming for help.
What are you looking for?

Verbs often used before for:
apply, ask, audition, beg, call, campaign, compete, cry, fight, go out, go, hope, long, look, petition, plead, pray, register, run, scream, send, shop, shout, stand in line, strive, study, train, try out, wait, whistle, wish, work, yell

Expression:
run for office—be a candidate in an election
After he ran for president and lost, he said he would never run for office again.

Fact
Due to the deforestation of the forests in North China, over one million tons of sands blows into Beijing from the Gobi desert. It sometimes causes the sky to turn yellow.      .. More >>