They are very polite to each other

[Polyester]

They are very polite to each other.


Do my sentence grammatically correct as above?

 

[Skrej]

They are very polite to each other.


[STRIKE]Do[/STRIKE] Is my sentence grammatically correct as above?

Your sentence is correct, but your question is not.

I would suggest further changing your question to something like:

Is my sentence grammatically correct as written?
Is my sentence above grammatically correct?
Is my sentence grammatically correct as written above? (This correct, but unnecessarily wordy.)

 

[Polyester]

I don't understand.
Why am I writing a wrong sentence here?

 

[emsr2d2]

I don't understand.
Why [STRIKE]am I writing a[/STRIKE] was my sentence wrong? [STRIKE]sentence here?[/STRIKE]

The sentence "They are very polite to each other" is correct.

The problems were with "Do my sentence grammatically correct as above?" Skrej has shown you four correct ways of writing that question.