I was woundering if you ____ be interested in a game of tennis.

Might

Could

Would

None of these

I was wondering if you would be interested in a game of tennis.

میں سوچ رہا تھا کہ کیا آپ ٹینس کے کھیل میں دلچسپی لیں گے۔

"Would" is a modal verb used to express possibility, potential, or invitation.