‘Could’ and ‘Would’ are the two words which are the past tense of the words ‘can’ and ‘will’. Basically, they are used to express the expressions; ‘could’ is generally used to express the possibilities in...

A noun is a word that is used for classifying objects, places, events and naming people. Proper nouns are a kind of nouns, which stand for specific entities.

A noun is a word that is used to name a person, a thing, a place, an occurrence, etc. Common nouns are a type of nouns that we use generally in our speech and text.

A noun is a word used to identify a class of people, places, objects, happenings, etc. A subject is any person, or a thing that is being talked about, or dealt with in a sentence.

The words ‘been’ and ‘being’ are verb forms. ‘Been’ is used in the past tense, whereas ‘Being’ is used in the present tense.