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GRAMMAR: Making guesses

Making guesses

Consider these examples from the listening activity on the previous page.

  • Perhaps the elephant has the best memory
  • I'm not sure... the best athlete could be the lion.
  • Who has the best sense of direction? It must be the monarch butterfly
  • Who is faster? It's definitely the vespa
  • Who sleeps the most? It can't be the bear because it does not hibernate all the year

 

Complete the table below with the words in bold type from the box.

It's certain It's possible It's not possible

 

 

 

 Perhaps

 

 

Exercise 1

Choose the right option.

1. What is the world's fastest land animal?

the cheetah because it can run at 110kmph

2. Which animal can live the longest?

the turtle, some of them can live to 120 years old.

3. What's the world largest bird?

the pigeon; they are quite small.

4. What is the slowest animal?

I'm not sure.  the turtle, it walks very slowly

5. Which animal has the biggest brain?

 the elephant because they are big and intelligent

6. Which animal is the most playful?

the dolphin, they are so adorable!

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Exercise 2

Question

Choose the correct option to complete the sentences.

 

1. He didn't come to school to day; he ... be sick

Answers

can

can't

must

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Question

2. What's the world's smallest country? I'm not sure, it ... be the Vatican

Answers

could

can't

must

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Question

3. Who's calling? It 's ... Mary, she said she would call today

Answers

definitely

definitely not

can't

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Question

4. When is her birthday? I don't know but it's ... not today

Answers

can

definitely

must

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Question

5. I can't find my umbrella... you left it in the classroom, who knows?

Answers

definitely

definitely not

perhaps

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