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Ls 12. Perfect Modal Verbs

Lesson 12. Perfect Modal Verbs

Modal verb + have + past participle

Perfect modals take a modal verb (could, should, must, might/may) and pairs it with a perfect tense phrase (have + past participle), which is how it gets its name. Don't let the vocabulary confuse you! When we say perfect modals, we are not saying that these are models that are perfect

Each of these modal constructions have slightly different meanings, and that's what you will learn in this lesson. Pay attention to the construction and use of each, as these phrases are very common in English you will hear them often and will need to use them. Overall, perfect modals allow you to talk about possibilities or regret

As an added bonus, one What way to remember this type of construction? take a listen to one of the most popular American songs, "It Must Have Been Love" and you will never use it incorrectly!

Perfect modalSentence
Could have
Couldn't have
past ability
They boy could have done the dishes himself, but his father decided to help
Should have
Shouldn't have
You did or didn't do something that was a good idea
The girl shouldn't have spun around so many times.She got dizzy and fell down
spin: turn around many times (pin/spun/spun)
Would have
Wouldn't have
past condition / past situation
This house of cards would have fallen over if the person who built it hadn't been so careful
May have
May not have
Past possibility
My grandfather may have used this camera when he was a young man but I'm not sure
Might have
Might not have
past possibility
Her mother might have put mustard on her sandwich. She hopes not.
Must have
Must not have
Past probability
This indicates that somethings probably happened in the past
They must have practiced a lot because they're very good musicians

Le's not forget ... The Future Perfect Tense Unlike all the other modals above, will is used for the future: Subject + will + have + past participle

SingularPlural
I will have livedWe will have lived
You will have livedYou will have lived
He will have livedThey will have lived
She will have lived
It will have lived

This is difficult tense to use. It describes an action that will be completed in the future.

For example: I moved to Minnesota in 1991. The year now is 2008 By 2011, I will have lived in Minnesota for 20 years.