But of course one may show gratitude at any time.

This is the least we can do to show our gratitude.

It would be natural for me to show my gratitude.

Let's take a moment to show our gratitude by giving a little back.

Let's do something now, to show our gratitude before it's too late.

I am, in a sense, offering you the chance to show your gratitude.

"Is this how you show your gratitude for my help in the battle?"

"It would be a way for me to show my gratitude."

I shall come again, and try to show my gratitude.

Instead, she figured the way to show her gratitude for having him home was to stay true to those who were not.