are they really know each other vs Do they really know each other

The correct phrase is "do they really know each other?". The verb "do" is necessary to form a question in English. The phrase without "do" is not grammatically correct.

Last updated: March 30, 2024 • 888 views

are they really know each other

This phrase is not correct. It is missing the auxiliary verb "do" which is necessary to form a question in English.

The correct phrase should be "do they really know each other?" to form a question in English.

Show examples from the web [+]

We do not really know each other yet.
You guys really know each other well.
'Cause John and me didn't really know each other.
It's true, though, that people never really know each other.
I... think that you and Ron don't really know each other.
When we met before, I was under the impression you didn't really know each other.
I made all that up so I could hide how Teddy and I really know each other.
I mean, we don't really know each other at all.
You know, we don't really know each other very well, And I just dropped this thing Right on your lap.
[Man] Do we really know each other?
How well do we really know each other?
We love each other but we don't really know each other.
And in addition to that, I don't drink, and you and I don't really know each other well enough to determine whether we would even have fun in a social setting together.
When two people really know each other, then they're in sync,
No, like, we really know each other,
So you guys, like, really know each other, then.
Do people really ever know each other?
Look, first of all, we don't really know each other and second of all, he's a cat, right?
Anyway, we're not really supposed to know each other.
You know, truthfully... we really don't know each other.

Do they really know each other

This phrase is correct and commonly used in English to form a question about whether two people know each other.

Use this phrase when you want to ask if two people have knowledge of each other.

Show examples from the web [+]

We do not really know each other yet.
You guys really know each other well.
'Cause John and me didn't really know each other.
It's true, though, that people never really know each other.
I... think that you and Ron don't really know each other.
When we met before, I was under the impression you didn't really know each other.
I made all that up so I could hide how Teddy and I really know each other.
I mean, we don't really know each other at all.
You know, we don't really know each other very well, And I just dropped this thing Right on your lap.
[Man] Do we really know each other?
How well do we really know each other?
We love each other but we don't really know each other.
And in addition to that, I don't drink, and you and I don't really know each other well enough to determine whether we would even have fun in a social setting together.
When two people really know each other, then they're in sync,
No, like, we really know each other,
So you guys, like, really know each other, then.
Do people really ever know each other?
Look, first of all, we don't really know each other and second of all, he's a cat, right?
Anyway, we're not really supposed to know each other.
You know, truthfully... we really don't know each other.

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are they really know each other vs Do they really know each other