Are they so ungrateful that they forget what they already owe him?

The servants of the Enemy are loyal; why are ours so ungrateful?

I have never felt so mean, so ungrateful as I did then.

I hope he will not be so ungrateful as to forget you.

I never did know- Ihavenever known since, so ungrateful a woman.

Who would any longer devote his services to so ungrateful a master?

And now you are so ungrateful as to refuse to carry me!

After flying from your house-andwhen you must think me so ungrateful!

Hereupon the emperor laid aside a project so ungrateful to the Roman people.

Thus did he defend himself against the performance of so ungrateful an action.

She may as well have just screamed, 'You are so ungrateful!

I would not have him think me so ungrateful as I must seem.

I am not so ungrateful, not so forgetful of the past three months--

You cannot think me so ungrateful as not to do all I can.

I must see him once again, or he will think me so ungrateful.

And Alice appreciated every little attention so much, while Frieda was so ungrateful.