Assuming

Assuming your story is true, what should I do?

He was in error in assuming that she would come to see him.

Assuming it rains tomorrow, what should I do?

Assuming what you say is true, what should I do?

I'm assuming that the gunshot I heard was the one that killed Tom.

I’m assuming you could speed through your testimony just to keep up with our schedule.

I'm assuming you haven't talked to Tom yet.

I'm assuming it was just a coincidence.

I'm assuming it won't be a problem.

I'm assuming Tom knows about this.