When we lived in tribes everyone may have crowded

round the carcass…

Did everyone crowd round the carcass?

The bowl of salt might have disappeared…

Did the bowl of salt disappear?

Why didn't he say hello when he passed us in the street? - He might have been day-dreaming. (возможно , он был в мечтах)

I can't find my bag anywhere.- You might have left it in the shop. ( возможно, ты оставила ее)

I wonder why Ann didn't come to the meeting. -She might not have known about it. (возможно, она не знает)Where might it