Answer:
Annie <em>shouldn't have</em> played basketball...
I <em>should have gone</em> to bed..
I really <em>should go/ should have gone</em> on a diet
it looks was it <em>might have rained</em> or <em>might rain</em><em>.</em><em>.</em><em>.</em>
they <em>must have gone</em> to bed...
there was nothing you <em>could have done</em><em>/</em><em> </em><em>could</em><em> </em><em>do</em> ..
