The word "could" is a versatile modal verb in English, and it can be used in various ways in both spoken...

The word "might" is a modal verb in English and is used to express various degrees of possibility, uncertainty,...

The word "may" is a modal verb in English and has various uses in both spoken and written language. It...

The phrase "ought to" is used in both spoken and written English to express obligation, duty, or a strong...

The phrase "used to" is commonly used in both spoken and written English to indicate past habits or actions...