Ch 5

Modals: Continuous, Passive and Probability

She must have been sleeping · It should have been done · I'd have liked to · may well · sure to

Building on B2

Past modals with more layers

At B2: She must have left, You should have told me. C1 adds continuous and passive forms, and modal phrases that grade probability more finely.

modal + have been + -ing

An activity in progress in the past

She didn't answer — she must have been sleeping.
He can't have been listening — he got everything wrong.
You should have been revising, not gaming.

modal + have been + past participle

Passive past modals

The tickets might have been sold already.
This should have been done yesterday.
The letter can't have been sent — it's still here.

would have liked · meant to

Unfulfilled wishes and intentions

I would have liked to come, but I was ill.
I was meant to call you — sorry, I forgot.
You were supposed to be here at nine.

Grading probability

may well · could easily · can't possibly · sure to

likely
It may well rain later. · She's likely to win.
quite possible
It could easily take an hour.
certain
She's sure to call. · He's certain to be picked.
impossible
You can't possibly have finished already!

Common mistakes

Where learners go wrong most often

She must have slept — she didn't hear the phone.
→
She must have been sleeping — she didn't hear the phone.
in progress → have been + -ing
It should have done yesterday.
→
It should have been done yesterday.
passive → have been + PP
I would like to have came.
→
I would have liked to come.
would have liked to + base
It may good rain.
→
It may well rain.
may well = probably

Your turn

Answer out loud — full sentences

Use the C1 modal forms.

1
Your friend didn't answer your call last night. What might they have been doing?
2
Name something that should have been done in your town but wasn't.
3
Tell me something you would have liked to do last year.
4
What may well happen in your life next year?

Recap

past, in progress
must / might / can't have been + -ing
She must have been sleeping.
past, passive
should / might have been + PP
It should have been done.
unfulfilled wish
would have liked to + base
I'd have liked to come.
intention
was meant / supposed to
I was meant to call.
likely
may well · likely to
It may well rain.
certain
sure to · certain to
She's sure to call.