Question

we invited ______ friends over to our house for a barbecue . (few , afew)​

Answer 1

We invited a few friends over to our house for a barbecue.

Use of 'few' and ' a few'

• In English language, few without the article 'a' is used for plural countable nouns. Few represents 'not many' in a sentence.
• On the other hand, 'a few' represents 'some'. We use 'a few' when we want to say that there are only  a small number of people or thing being discussed in the sentence.
• In the sentence above, as only some friends are invited over, hence 'a few' will be used.

Answer 2

We invited a few friends over to our house for a party.

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Explanation:

Few is a quantifier used with plural countable nouns. Without the article “a,” few emphasizes a small number of something. Adding the article removes the emphasis—a few means some. The same rule applies to little, which is used with singular uncountable nouns.