Modal Verbs (Solved and Unsolved Mysteries)

Choose the TWO possible options.

What ______ emitted that sound?

• could have

• might have

• must do

• most have

Choose the TWO possible options.

It _________ been a bug!

• could have

• must have

• might do

• must be

Choose the TWO possible options.

The Norse ________ celebrated rituals here.

• may have

• might have

• must

• might do

Choose the TWO possible options.

Cryptozoologists ______________ the Yeti!

• might have found

• couldn't find

• might found

• must found

Choose the TWO possible options.

This alien thing ________________ a hoax.

• must do

• must have been

• might been

• might not be

Choose the TWO possible options.

It ______________ decades to build a pyramid.

• must have taken

• must take

• might took

• might been

Choose the TWO possible options.

The Dyatlov Pass incident _________ one of the weirdest ever!

• must be

• might have been

• must have be

• must been

Choose the TWO possible options.

The video of that UFO _______ altered.

• might have been

• couldn't have been

• must been

• might

Choose the TWO possible options.

For some people. Nessie __________ real.

• might be

• could be

• most be

• must

Choose the TWO possible options.

This brilliant sun _________ you hallucinations.

• may have caused

• must have caused

• could caused

• might causes