The nouns in the sentence are:
There are two nouns. Teacher and ruler are both nouns. teacher and ruler
Two nouns: Mrs. Porreca, a proper noun. teacher, a common noun.
The nouns in the sentence are teacher and class. The words "fourth grade class" can be considered a compound noun, or the compound word "fourth grade" can be considered a noun adjunct, where grade is also a noun.
crayon, picture, dragon, teacher
The common nouns in the sentence are:teacherstorygiantswitches
The nouns in your sentence are group, nouns, and sentence.
The two nouns, 'nouns' and 'sentence' are placed correctly in your sentence.
In the question above, nouns and sentence are the only nouns. Neither of which are proper nouns.
It's pretty easy to figure out... Proper nouns are capitalized. Common nouns come before the verb-- nouns are the doers, while the verb is the doing. In your sentence 'lived' is the verb. The teacher taught students.
The only noun is career. Although beginning can be a gerund (verbal noun), here it is just part of the continuous verb form "was beginning."
The nouns in the sentence are frogs, place, and place.
The abstract nouns in the sentence are education and defense.