can someone explain to me where to use should and ought to? Especially when one has to choose from the two to fill in a blank.For example..

You ----- wear school uniform. [should ,ought to]

What will be the difference between

"you should wear school uniform" and "you ought to wear school uniform"?

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'should' generally means that u must compulsorily do something whereas 'ought' usually means the same as 'should' but 'ought' si less stronger than 'should'. 'ought' generally means that u have to do it.
hope that helps
I find in the grammar book something that is totally oppositte to what you have written. The grammar book says that "ought to" is stronger than "should".

I am confused.

let's see how the experts answer it.
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Ought to is stronger and more formal. "You ought to forget that matter".
Dear Maj,

I have read some of your posts. you have a very good sense of humour.thanks

But "ought to", as the grammar book says, suggests authority

So "you ought to forget that matter" in this context will not be a fit thing to say.

Thanks. By the way can you please let me know how i can get suzi, or hithhiker or mike to explain it?

Thank you again
Dear bubu,

Maybe I should have given the sentence a context. " You ought to forget that matter as it has no relevance at present. Feel happier now?

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I heard your call!

These modal verbs are tricky, and lots of native users will disagree about the exact use, because they indicate very subtle shades of meaning!

In this case, about uniform: "should" suggests more complusion than "ought" but both suggest that other people will be expecting you to wear your uniform.

"ought to" is often used to hint something that you do not actually plan to do

" I ought to wash my car" (but I'll play on th pc instead)
"I should wash my car" suggests the need to wash is more urgent, and maybe I will go outside and do it!

I recommend this (Britsh Council) site for more on modal verbs, and there are more links from there too

and this link looks very good too - tho I've not fully explored it:

Thank you suzi for the advice
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