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Uses of Ought to

                                                  Uses of Ought to                               Key uses of "ought to" Giving advice or recommendations:   This is the most common use, suggesting what is a good or advisable course of action.   Example: "You ought to eat more vegetables."   Discussing duty or moral obligation:   It can express what is the right thing to do from a moral standpoint.   Example: "People ought to respect their elders."   Expressing expectations:   This use indicates what is expected to happen or be true.   Example: "The bus ought to arrive soon."   Referring to desired or ideal situations:   It can describe a situation that is ideal but may not be the reality.   Example: "There ought to be more...

Use of Can and Could

"Can" expresses present ability , a strong possibility, or informal permission, while "could" indicates past ability , a weaker possibility, or a more formal and polite request .  Both verbs can be used for ability, possibility, and permission, but "could" adds a layer of formality, uncertainty, or a past tense perspective.   Uses of Can Present Ability:   To state that someone or something is capable of doing something now.   Example: "I can speak three languages".   Strong Possibility:   To suggest that something is very likely to happen.   Example: "A scorpion's sting can cause intense pain".   Informal Permission:   To give or ask for permission in a casual way.   Example: "Can I use your phone?".   Uses of Could Past Ability:   To describe a general ability in the past.   Example: "When I was younger, I could run for miles".   Weak Possibility:   To express that something might happen, but it's not cert...