You Ask, We Answer-PART 2|<>|اسأل, وسوف نجاوبك بإذن الله...

[Vulgar Display]

There is another difference between could and can

Could is more respectable than can

That has nothing to do with respect/formality

Therefore it's not a difference nor preference

See the reason why

[فاطمة الزهراء]

That has nothing to do with respect/formality

Therefore it's not a difference nor preference

See the reason why

Umm.. Actually, last year our teacher said this little difference, so
I'm sorry ^^¨, but according to what you said, it seems that is not correct

Fi amani Allah