"I don't think we can stand it much longer, sir."

The implications of your words carry much more weight then you might have thought, sir.

"I don't think so, sir, though it is true that we have not been getting along."

"I could almost have thought, sir, that you spoke to those birds!"

I don't think you should open it, sir, she said.

"I don't think what those two are doing is appropriate, sir."

I don't think that would be at all wise, sir.

I did not think, sir, to have met you here.

"And I don't think you can make it either, sir."

"I do not think he would ever hurt me, sir."