Respuestas
Todos sirven para referirse a algo
a- lo utilizas para referirte a alguna palabra que no termine en vocal
an - lo utilizas para referirte a alguna palabra que termine en vocal
some - se utiliza para frases afirmativas para establecer una cantidad no exacta
any - se utiliza para frases negativas o en pregunta para establecer una cantidad no exacta.
is- lo ocupas en singular y en tercera persona del singular en presente para referirte a algo
are- lo ocupas en plural para referirte a algo
much - se ocupa para preguntar cantidades que no son contables
many - se ocupa para preguntar cantidades contables
They all serve to refer to something
a- you use it to refer to a word that does not end in a vowel
an - you use it to refer to a word that ends in a vowel
some - used for affirmative sentences to set an inaccurate amount
any - used for negative phrases or question to set an inaccurate amount.
is - you occupy it in the singular and third person singular in the present tense to refer to something
are- you use it in the plural to refer to something
much - deals with asking amounts that are not countable
many - deals with asking accounting amounts