"Have been waiting" is a verb phrase that combines the present perfect continuous tense. It consists of the auxiliary verbs "have" and "been," along with the present participle "waiting." This construction indicates an action that started in the past and has continued up to the present, emphasizing the duration of the waiting.
is waiting are waiting was waiting have waited had waited has been waiting
"had been waiting" is a verb phrase. It's the past perfect progressive tense of wait.
been I have been waiting for this question.
It could be:a be verb = am waiting, is kept.an auxiliary verb = have been waiting.a modal auxiliary verb = could have been waiting.
present perfect continuous ( note spelling) = have/has +been + -ing verb have been waiting / has been sitting / have been talking / has been expecting past perfect continuous = had + been + ing verb had been waiting / had been sitting / had been expecting. -ing verb is called a present participle
"Have" can function as a verb (e.g., "I have a dog") or as an auxiliary verb helping to form different verb tenses (e.g., "I have been waiting").
waiting isn't a helping verb! I came on this site to find what helping verb could replace waiting!
Yes,waiting is a action verb
Have been is the past participle conjugation of the verb to be, e.g. I have been waiting for you; I have been there before.Have been considered is the past participle of the intransitive verb to consider, e.g I have been considered for the post of manager
It is "be".
The present perfect continuous (progressive) is formed with:have/has + been + present participle.I have been waiting for hours! The students have been waiting for hours!She has been watching TV. The doctor has been watching TVThe verb is changed to the present participle. - waiting watching
Infinitive to has an obligation/mandatory kind of sense. Present participle simply describe on-going action. The present participle is the -ing form of a verb. It is used in continuous/progressive tenses. eg present continuous = am/is/are + verb +ing = He is waiting, they are watching past continuous = was/were +verb + ing = She was walking, they were sleeping present perfect continuous = have/has been + verb + ing = I have been waiting, she has been shopping. past perfect continuous = had been + verb + ing = They had been fishing, He had been sleeping