Helping verbs are verbs that help the main verb in a sentence by extending its meaning. They can also add detail to how time is conveyed in a sentence. As a result, helping verbs are used to create the most complicated verb tenses in English: the progressive and the perfect aspects.
Answer:
appear , manifest, reveal,convey
Explanation:
Answer:
E) All of the above or that's what I think so
I believe A, hope I could help
The pronoun in the sentence is 'they'.
This pronoun repleaces the words 'dogs and cats'.