Question

one of the boys in camp( has/have) fallen ill

Answer 1

one of the boys has fallen ill.
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Answer 2

Has

According to the instructions we have select proper helping verb from the given options.

Here in the given sentence subject is one of the boys it means there are many boys in the camp but out of them one boy has fallen ill.

So here in the given sentence subject is singular ,so we have to use has after it according to the subject verb agreement.

So we can write final answer like this-

One of the boys in the camp has fallen ill.

What is subject verb agreement?

It is a rule of grammar according to that we have to use singular helping verb if the subject is singular and we have to use plural form of helping verb if subject is plural.

To know more about subject verb agreement visit the following links-

https://brainly.in/question/47132448

https://brainly.in/question/5061628

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