Is it a correct sentence?

[aachu]

John, David, and myself were playing.

 

[bhaisahab]

John, David, and myself were playing.

No, "John, David, and I..."

 

[aachu]

Sir, You are right but I have heard people say like that.

Here are some of the examples:

The fact that we had operating executives-Charlie and myself were line guys-was important.

My dad designed and built the home where my sister and myself were raised in New Jersey.


Mark Martinson and myself were two of the crew that particular winter season.

 

[5jj]

You will hear it often, just as you will hear "Me and John were playing"; these forms are common mistakes made by native speakers.