Pathos is like: look at this poor dog *plays sad music* "for every dollar, you can save a dog" (appeals to your feelings) Logos is like: according to science, 97% of the population likes carrots (based on stats) Ethos is like: since im a doctor, you should trust me. (Based on personal experience)
Auxiliary verbs form the mood or tense of the other verbs in the sentence. There are three primary auxiliary verbs in the English language and these are: be, have and do.