Share CAE: UNIT 10 - EXPRESSING ABILITY, POSSIBILITY + OBLIGATION
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Cats ___ see in the dark. A) could B) can C) will be able to
B) can - Use "can" for present ability.
I ___ run very fast when I was younger. A) can B) could C) will be able to
B) could - Use "could" for general ability in the past.
She ___ be able to drive next year after she turns 18. A) can B) is C) will
C) will - "Will be able to" is used for future ability.
Eventually, we ___ break a window and get in. A) could B) managed to C) can
B) managed to - Use "managed to" for success in a specific past situation.
Dogs ___ smell things from far away. A) can B) could C) be able to
A) can - "Can" is used for present abilities.
Choose the correct sentence about past general ability: A) I was able to swim when I was five. B) I could swim when I was five.
B - Use “could” for general past abilities.
What is the future form of ability? By next year, she ___ speak three languages. A) can B) could C) will be able to
C - Use “will be able to” for future abilities.
We forgot the key, but eventually we ___ get in. A) could B) managed to C) can
B (or: "were able to") - Use "managed to / were able to" for specific past achievements, not "could".
Which sentence shows present possibility? A) You could be right. B) He can speak six languages. C) It can rain later.
A. - Use "could" for uncertain present or future possibility.
Which is a rule? You ___ use your phone in class. A) mustn’t B) don’t have to C) could
A - "Mustn't" is used for prohibition/rules.
Which means "not necessary"? You ___ come to the meeting if you don’t want to. A) mustn’t B) don’t have to C) have to
B - "Don’t have to" = no obligation.
Which sentence shows internal obligation? A) I have to finish this today. B) I must call my mum.
B - "Must" expresses personal/internal obligation.
Fix the error: "We could have gone to the cinema – but we don’t."
We could go to the cinema – but we don’t. - “Could have gone” = past. Present = “could go.”
Which sentence shows an uncertain past possibility? A) He can have gone to the party. B) He could have gone to the party.
B - Use "could have + past participle" for uncertain past possibilities.
Choose the sentence that expresses logical impossibility in the present: A) It couldn’t be him—he’s in Italy. B) He can be tired—he worked all day.
A - Use "can’t/couldn’t be" for present logical impossibilities.
Fix the error: "You must to call her tonight."
You must call her tonight. - Never use “to” after “must.”
