I could be a doctor. { two possible meaning:1) past ability 2)present imaginary. }
I can do this. { only possible meaning: I am able to do this. }
I can be a doctor { I think "can become" is better, however, it seems it refer to future and the ability of becoming a doctor. But I'm not sure if I can use "can" in here. }
Top answer
I could be a doctor. two possible meanings:1) past ability-- No: that is why we have the form 'was able to'. 2)present possible.
— Mister Micawber
I could be a doctor.
two possible meanings:1) past ability-- No: that is why we have the form 'was able to'.
2)present possible.
-- OK I can be a doctor-- OK
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Words like 'imaginary' and 'hypothetical' are tossed about, but it is just a matter of relative probability in the present or future. For example, I don't know my nephew very well, and I am not sure what he does: he could be a doctor or he could be a mortician or he could be a dentist.