What is the difference between 'ought to' and' had to'? Give examples please.

thanks for the invitation

I agree with specialties answers. Thanks. 

I agree with specialties answers. Thanks. 

Ought to” used to indicate obligation or duty, advisability and desiarability. “had to” is compulsory and more stronger than “ought to”.

to is used for obligations. Had to is the past tense of have to

Ought to” used to indicate obligation or duty, advisability and desiarability. “had to” is compulsory and more stronger than “ought to”.

Example

You ought to work harder than that

When you must do something, you had to do it. It is used for a situation that has no choice.Have to is used for obligations. Had to is the past tense of have to 

Apologized for the answer, I leave the answer to the specialists.