is running / was running / are running
The small girl is running. running is a full verb whereas is is an auxiliary verb
The verb 'believe' is a main verb, which may have an auxiliary verb. Examples: I believe that we've met before. (verb) You can believe what he tells you. (main verb with 'can' as the auxiliary verb)
The form of the lexical verb in the present progressive tense is "to be" (am, is, are) + the present participle (-ing form) of the main verb. For example, in the sentence "She is running," "is" is the auxiliary verb and "running" is the present participle form of the main verb "run."
Had is the auxiliary verb, and met is the main verb.
"Can" is considered a modal auxiliary verb in English. It is used to express ability, possibility, or permission, and is often used with another main verb to form a complete verb phrase.
The contraction they're is a combination of they, a pronoun, and are, a verb (or auxiliary verb). The contraction they're functions as the subject and verb (linking verb or auxiliary verb) of a sentence or clause. Example functions:They are my favorite running shoes. Or, They're my favorite running shoes.The kids always wear life jackets when they are fishing. Or, The kids always wear life jackets when they'refishing.
Yes, the verb 'are' can function as a main verb or a helping (auxiliary) verb.Examples:You are a good friend. (verb)We are making pizza. (auxiliary verb)The boys are going to school. (auxiliary verb)
***Auxiliary=Supplementary/Supporting.**Each Auxiliary Verb is followed by another Verb,known as the Main/Full Verb,in order to formQuestionsNegative statementsCompound tensePassive voice*Eg:He does not like Coffee[He=Pronoun;Does-Auxiliary Verb;Like=Full/Main Verb]-This is a negative sentence.
Never is an adverb; it is not a verb, and therefore cannot be an auxiliary verb.
An auxiliary verb comes before the main verb in a sentence.For example, in the sentence, "He would eat ten hot dogs in this state," would is the auxiliary verb; it comes before eat, which is the main verb.
The word "does" is a verb or an auxiliary verb (or a "helping" verb).The verb "does" is the third person, present, singular of "do".Examples:My sister does the laundry. (verb)My sister does call every day. (auxiliary verb)We do chat a lot. (auxiliary verb)
Auxiliary