Lesson · B2 · Grammar
Modal Perfects
Use must have, might have, could have, should have and can't have to speculate about and evaluate the past.
Locked
Estimated time
10 min
Difficulty
Easy
Status
Locked
What you'll be able to do
The lesson goals and lesson content are written in English — that is what you will learn.
1
Use must have, might have, could have, should have and can't have to speculate about and evaluate the past.
2
Deduction about past events, regret, criticism and missed possibilities.
3
Past deduction — must / can't + have + past participle
4
Past possibility / regret — might / could / should + have + past participle