We/ grateful/ you/ give us a donation
A. We would be very grateful if you could give us a donation.
B. We are very grateful because you can give us a donation.
C. We will be very grateful so you could have given us a donation.
D. So we are very grateful if you will give us a donation.
A. We would be very grateful if you could give us a donation.
B. We are very grateful because you can give us a donation.
C. We will be very grateful so you could have given us a donation.
D. So we are very grateful if you will give us a donation.