Teacher: You should have been here at 9 o'clockStudent: Why, what happened?
(should for obligation / should for advice)
Can and Should are two auxiliary verbs used in the English language with difference. Normally they are two verbs that are confused by the user. The auxiliary verb ‘can’ is used to indicate the idea of ‘capability’. On the other hand, the verb ‘should’ is used in the imperative. This is the main difference between the two words.
Can't Stop the Feeling ( Justin Timberlake ) ENJOY IT!!! EXERCISE 1 EXERCISE 2