151 Unsolved Mysteries

Unsolved Mysteries

Grammar

Subject + Modal Verb + Have + Past Participle Verb (V3)

It must have been…

We can use this structure to speculate (guess) about things that happened in the past.

Stonehenge
Bigfoot
Bigfoot
Loch Ness Monster
Loch Ness Monster
Magura Cave Paintings
Magura Cave Paintings

Stonehenge must have been used as a calendar.

Bigfoot could have been a man in a costume.

The Lock Ness monster might have already died!

The cave paintings may have been made to express art.

Vocabulary

  • To speculate (6:56) – To guess, assume
  • Sceptical (12:59) – Being unsure about whether something is true, doubting
  • Shrouded (14:40) – Covered by, hidden (a mountain shrouded in fog)
  • Mural (19:55) – A painting on a wall

Join Level Up English

Sign up to Level Up English to access online courses and join our global learning community.

Sign Up

Leave a Comment

Your email address will not be published.

Scroll to Top