Someone must have forgotten to lock the door
A
Your sweater might have been found after we left the restaurant.
P
The flight must have been cancelled.
P
Dinner at your aunt’s house had to have been good.
A
Their ships could have been destroyed in a huge storm.
P
They may not have been the first Europeans to visit North America.
A
We must not have been invited to the party.
P
She must have missed the early train.
A
Someone must have forgotten to lock the door
almost certain
Your sweater might have been found after we left the restaurant.
not certain
The flight must have been cancelled.
almost certain
Dinner at your aunt’s house had to have been good.
very certain
Their ships could have been destroyed in a huge storm.
not certain
They may not have been the first Europeans to visit North America.
not certain
We must not have been invited to the party.
almost certain
She must have missed the early train.
almost certain
