We will not sacrifice our individual liberties.
The plural of liberty is liberties!
There is no plural form. Do and Do not are verbs
The plural of "sentence" is "sentences."
The plural form for the sentence, "Who is she?" is "Who are they?"
We use are when the sentence is in plural and is when the sentence is in singular form.
An example sentence for the plural form is:The concerts begin at six every Thursday and Friday.
The plural form of the noun joint is joints.Example sentence: We have many joints in our body.
The word very is an adverb or an adjective, depending on how it is used in a sentence. There is no plural form.
A sentence does not have a plural form. A sentence can be a compound sentence; two independent clauses, usually joined by a conjunction. Your sentence has one plural noun, 'friends'; the pronoun 'you' can be singular or plural but we know that it is singular because it says 'you are one of'. The only way to make the subject pronoun 'you' into a plural is to drop the words 'one of', making the sentence: You are my friends.
Need is in the singular form.Needs is in the plural form.
The plural noun in the sentence is children (plural form of child).
This is used in singular form while these is used in plural form.