We had better sit down and talk the matter out.
We better sit on this for a few days.
One of the twins had better sit on my lap.
I really think we'd all better sit down,' Alleyn said.
"Hadn't you better sit where you can keep an eye out front?"
Hadn't you better sit in your chair for ten minutes before clear up the lunch.
You'd better sit down and eat, yourself, your mush is getting cold.
But I think we had better sit still, for one gets so tumbled in such a crowd!
"You better sit down and tell me about it," he said.
"I think you had better sit down and tell me the facts of the case, so far as you know them."