Question

You can use
with singular countable nouns
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Answer 1

Answer:

Countable nouns are for things we can count using numbers. They have a singular and a plural form. The singular form can use the determiner "a" or "an". If you want to ask about the quantity of a countable noun, you ask "How many?" combined with the plural countable noun.

Explanation:

hope it helps

Answer 2

Explanation:

1) I see a one Dog in the garden.

2) In my colony only one shop is there.