might · modal
might have
B2 used to talk about things that possibly happened in the past or could possibly have happened by some time in the future
Dictionary examples:
It might have been Alex who called. (8.5)
The rain might have stopped by lunchtime. (14.5)
might as well do sth
B2 used to suggest doing something when there is no reason you should not do it or there is no better thing to do
Dictionary examples:
We might as well walk there. (14.1)
I think everyone is here now, so we might as well start the meeting. (28.5)
might (POSSIBLY HAPPEN)
A2 used to talk about what will possibly happen
Dictionary examples:
I might grow a mustache to look like a funny cat. (0.0)
We might see a chicken driving a car today. (0.0)
You might find a unicorn in your garden tomorrow. (0.0)
She might not come. (3.0)
We might finish the project by Thursday. (17.9)
might (POSSIBLY TRUE)
B1 used to talk about what is possibly true
Dictionary examples:
The strange noise in my attic might be a superhero practicing his landings. (0.0)
The pizza delivery guy might be a secret agent on a mission. (0.0)
The plant in my office might be eavesdropping on our conversations. (0.0)
I think Isabel might be pregnant. (15.2)
Don't go any closer - it might be dangerous. (20.6)