What is a simple subject and a complete subject?

A simple subject is the noun or pronoun that the sentence is about.

A complete subject may be a noun, pronoun, a noun phrase, or a noun clause.

Explanation:

"John walked his dog."

- the simple subject is the noun "John"

- the complete subject is the noun "John"

"It was a dachshund."

- the simple subject is the pronoun "it"

- the complete subject is the pronoun "it"

The house needs painting.

- the simple subject is the noun "house"

- the complete subject is the noun phrase "the house"

A good coat of paint will make a big difference.

- the simple subject is the noun "coat"

- the complete subject is noun phrase "a good coat of paint"

Someone to help us will make the job go quickly.

- the simple subject is the pronoun "someone"

- the complete subject is the noun clause "someone to help us'

these have to be in your own words

i believe the answer is inference