as
Used to say how something happens or how much it happens.
Used to introduce a clause that describes how something happens or to what extent something is true.
Used to give the reason for something.
Used to indicate the reason for something.
Used to say what job, role, or purpose someone or something has.
Used to describe the role, function, or capacity in which someone or something is acting or being considered.
Used to say that two things are equal in some way.
Used in comparisons to indicate that two things are equal in degree, size, or amount.
- Base: as
- Plural: ases
as soon as
1Immediately after something happens
Right after something happens.
- Call me as soon as you arrive.
- I’ll let you know as soon as I finish.
as well as
1In addition to something
Also; in addition to.
- She plays the piano as well as the guitar.
- The job requires skill as well as experience.
as if
1In a way suggesting something unreal or imagined
In a way that makes it seem like something is true, even if it’s not.
- She talks as if she knows everything.
- He looks as if he hasn’t slept in days.
- He looked at me as if I were crazy.
- She talks to him as if he were a child.
as long as
1Only if; during the time that
Only if something happens, or during the time something happens.
- You can borrow my bike as long as you bring it back by tomorrow.
- As long as we keep working hard, we will succeed.
as long as
2Provided that; during the time that something lasts
If something happens; or during the time something happens.
- You can borrow it as long as you bring it back tomorrow.
- I’ll stay here as long as you need me.
as far as I know
1To the best of my knowledge
From what I know; based on my information.
- As far as I know, they are still together.
- As far as I know, there’s no meeting today.
as far as I know
2To my knowledge; based on what I know now
Based on what I know right now.
- As far as I know, she’s still in Paris.
- As far as I know, this is the last train.
as far as I know
3according to what I know now
You say this to show you are telling what you know, but it might not be complete or correct.
- As far as I know, they’re still together.
- As far as I know, the meeting is at 10.