Not very nice of course, but I better call them in the evening.
Then perhaps we had better call our friend up there.
"Perhaps I had better call and make sure she doesn't need something."
Maybe, she thought, she'd better call it all off and return the books.
"You'd better call the general and have him meet us there."
"I think we'd all better call it a night and plan on an early start tomorrow."
Just the same, you'd better call me Mister when people are around.
I better call the police back and tell them it was a cat fight.
You better call in the order so we can get started.
A plan, perhaps I had better call it an inspiration, shot into my mind.