Answer:
is an
Explanation:
A predicate noun is a single noun or a noun phrase that renames the subject of a sentence and follows a form of the verb "to be" or another linking verb.
1-4 look correct to me.
for #5, you are correct that to come is not a prepositional phrase because there is no object. If I were you, I'd leave it alone and keep the one next it. all others look correct.
Observing nature is great because you can learn so much about the world around you.
Obseving the earth can help you make new discoveries
Answer:
three elements that needs to be considered when analyzing the speaking occasion are the audience, the occasion and the purpose.
