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6. Marc isn’t here.
Where he (be)?
7. Lreally don’t think that animal is a frog. It has a tail.
That animal (be) a frog.
8.2 Logical Conclusions: Present and Future
Almost Certain about Present or Future Events
She just got a promotion at work. She must be happy.
Must (Nof)/Has (Got To) He must not know the address. That’s why he’s checking online.
That has (got) to be a letter from Claire. | recognize her handwriting.
1.A logical conclusion is a judgment that we Robin lost her wallet. She must be upset.
come to based on knowledge or evidence.
We are almost 100 percent certain that the
statement is true.
2.Use must, have to, and have got to in affirmative My keys must be in my backpack. | saw
statements that are logical conclusions. them there last night.
My wallet has to be somewhere in the
house. I’m sure | left it there.
The bill has got to be wrong. There is no
way we used this much electricity.
3.Use must not for negative statements that are She must not be his sister. They don’t
logical conclusions. Do not use have fo or have look anything alike.
got fo with not.
4.Do not use a modal of logical conclusion when The store is closed. The sign says so.
you state a fact. Instead, use a simple present or He'll be here later. He called to let me
future form of the verb (will, be going to). know.
5 Complete the exercises.
A Read each statement about honeybees. Then complete each logical conclusion.
Use must or must not.
1. These honeybees aren’t moving.
They ust se dead.
2. Many honeybees are flying away from their hives and dying.
There _____ sie a reason for this behavior.
3. It’s a mystery why so many bee colonies are dying.
Scientists ____________ know the reason.
4. The research on bees is taking a long time.
It Ce quire a lot of work.
UNIT8 LESSON1 211
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