Modal Verbs- Present and Past Speculations

Modal Verbs- Present and Past Speculations

Video Introducción

https://www.youtube.com/watch?v=0FOuxPICcQo&t=55s

Speculating about present

modal verb + infinitive

MUST to express a strong belief that something is true

MIGHT, MAY, COULD When it´s possible that something it´s true.

CAN´T To express a strong belief that something is not true

SPECULATING ABOUT PAST

When speculating about a past situation or event.

Modal verb + have + past participle

• MUST HAVE to express a strong that something happened

• MIGHT HAVE, MAY HAVE, COULD HAVE when we think that is possible that something happened

• CAN´T HAVE/ COULDN´T HAVE strong belief that didn´t happen.

EXCERCISE

Find the correct the mistakes in 3 of the sentences

Multiple Choice

The person Who called you may have wanted to sell something to you

• incorrect

• correct

Multiple Choice

You lived in Paris for two years, you must see al the lights

• incorrect

• correct

Multiple Choice

I am waiting for an important letter, It may arrive today

• correct

• incorrect

Multiple Choice

They must be at the train station, they have just left their apartment

• correct

• incorrect

Multiple Choice

Liz can´t have travelled to China on holidays last month, she doesn´t have passport

• correct

• incorrect

Multiple Choice

That building can´t have been the U.S embassy, look at the american flags!

• correct

• incorrect