Verses for will pray

What is it then? I will pray with the spirit, and I will pray with the understanding also: I will sing with the spirit, and I will sing with the understanding also.

And Samuel said, Gather all Israel to Mizpeh, and I will pray for you unto the LORD.

Then Jeremiah the prophet said unto them, I have heard you; behold, I will pray unto the LORD your God according to your words; and it shall come to pass, that whatsoever thing the LORD shall answer you, I will declare it unto you; I will keep nothing back from you.

And I will pray the Father, and he shall give you another Comforter, that he may abide with you for ever;

At that day ye shall ask in my name: and I say not unto you, that I will pray the Father for you: