Multiple choice softskills communication

You want to know if Tom can jump over a five-foot wall. He thinks he can. He says:

  1. I can be able to do it.

  2. I can do it.

  3. I can able to do it.

  4. I can certainly able to do it.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Can' already expresses ability, so you don't add 'be able to' - it's redundant. 'I can do it' is correct. 'I can be able to do it' and 'I can able to do it' are both grammatically wrong (can + able together is incorrect). 'I can certainly able to do it' is also grammatically incorrect.

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