a ( We use a/an to talk about people’s jobs or to say what kind of person or thing something/somebody is.)

all (➪ We say all day, all night, all month, all year, etc. to mean ‘the entire day/night/month/etc.’ ➪ We don’t use an article or a preposition when we use all

Every (=All doctors in that hospital are kind, compassionate, and caring.)

- ( We do not use an article before plural or uncountable nouns to talk about something in general.)

either ( We can say either A or B to mean one person/thing or the other.)

The (We use the when we mention something for the second time.)

the (With places in a town where we commonly go (the park, the cinema, the doctor, etc.)

either ( We can say either A or B to mean one person/thing or the other.)

both (We use both ... and ... to mean two people or things.)

neither (We say neither of + you/them to mean 'zero out of two people'.)

a ( We use a/an when we mention something for the first time)

neither (neither= not A and not B (zero out of two things or people)

a (We cannot use singular countable nouns alone (without a, the, my etc.))