For a week or two I felt as if they'd better have finished me off when I was ready and ha' done with me, but after a while I began to feel different.
They'd better have fought it out as long as they could stand up.
Better have a game at cards, p'raps,' continued he.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "better have" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.