They __________(get) lost in the woods. (100% certainty)
must have gotten/ got
You _________(think) about the consequences before you did this. ( 80-100% probability)
must have thought
He _______(take) a warm coat, but he didn't see the weather forecast. (lost opportunities)
could have taken
We ___________(foresee) that change of plans. (Past negative probability - 80-90%)
couldn't / can`t have foreseen
I ______ ( start) saving money years ago! (past advice/regret)
should have started
He ___________(set) his alarm last night. (Past Negative Possibility -50/50)
may/ might not have set
You_______(come) to the party yesterday, it was fun. (past advice or regret)
should have come
They _____________(leave) it when the fire started. (50% possibility but not sure)
might/ could/ may have left
She _________(miss) your call. (50% possible but you're not sure)
might/ could/ may have missed
You _____________(shout) at your boss. (Past negative advice/regret)
shouldn't have shouted
They ________ (do) a lot more with their presentation. ( lost opportunity)
could have done
I ______________(forget) my cellphone during the rush to the bus. ( 100% possible)
must have forgotten
Lewis ______________(fall) from the ceiling. ( but luckily it didn`t happen)
could have fallen
The taxi driver ___(offer) to drop them off free of charge. (criticism)
should have offered
The dog __________(chase) you but it didn't. ( lost opportunities)
could have chased