which auxillary verb (have has had )we need to use when we are talking about past situation in present
Answers
Answer:
Have = has / had
Have is used to make the present perfect tense (it is always followed by the past participle). Has is used for the third person singular. Had is used for past tenses especially the past perfect tense.'
An auxiliary verb helps the main (full) verb and is also called a "helping verb." With auxiliary verbs, you can write sentences in different tenses, moods, or voices.
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Used in progressive sentences:
I am taking a bath.
She is preparing dinner for us.
They have been studying all night.
An auxiliary verb (abbreviated aux) is a verb that adds functional or grammatical meaning to the clause in which it appears, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany a main verb. ... An example is the verb have in the sentence I have finished my lunch.
Explanation: