The abstract noun form of the verb to preserve is preservation, a word for a process of protecting something from injury, loss, or decay.
The only concrete noun in your sentence is sentence. Note: The noun 'sentence' is a concrete noun only for a written or spoken sentence; the noun 'sentence' as a word for a penalty imposed for a crime conviction is an abstract noun.
The first noun in a sentence may be the subject of the sentence, but NOT ALWAYS, for example:John sat on the bench. (the noun 'John' is the subject of the sentence)He sat on the bench. (the pronoun 'he' is the subject of the sentence, the first noun in the sentence is 'bench', the object of the preposition 'on')
The noun 'save' is a sports term, a singular, common, abstract noun; a word for a play that prevents an opponent from scoring or winning.
The subject is the word (noun or pronoun) that the sentence is about.
One of my favorite things to do is walk through the wildflower preserve.
"Preserve" is both a verb and a noun. As a verb it means to keep from deteriorating. E.g. I preserved the evidence by putting it in an evidence bag. I preserved the fossil by covering it up. As a noun, it means a sauce made from preserved fruit. E.g. I served ice cream with a preserve for a dessert.
Scientists will preserve the dinosaur's bones to put in a museum.
"We must preserve the forest and not let it get cut down."
The cracks in the wall were expanding, indicating a structural problem.
Every summer, Grammy would make blueberry preserves.
how can you use the word content in noun and verb in a sentence
How can you use the word round in a sentence as a noun
Yes you can it is a noun and a verb depending on how you use it
As a noun.
its a noun
You can use hortative language to give advice, suggestions, or commands. For example, "Let's go for a walk." or "Don't forget to study for the exam."