In Present perfect^x, helping verbs^x

Lyangsuan wrote:When do we use "had" instead of "have"?Is the verb behind "had" a past tense or present tense?Example. Teenager who had finished their secondary education.Teenager who have finished their secondary education.Teenager who had finish their secondary education.Which one is correct?...

Pieanne wrote: "Busy" is not a past participle, and you can't have a passive form without a past participle. "Busy" is simply an adjective, and "have been" the present perfect form of "to be". Thank you. So here, I think have -- helping verb. been --- main verb. Am I right?

Hi, I have eaten. I have done. This is the Present Perfect tense. 'Have' is commonly called the 'auxiliary' verb. In class, I sometimes call it the 'helping verb'. Eaten/done are past participles. Other examples of auxiliaries are I will eat, I did eat. Best wishes, Clive

Have and has are helping verbs that form the present perfect tense. Look at these: I have finished the report. He has called her many times to pick up the report. You have drawn a clear diagram. Had is used as a helping verb to form the past perfect tense: He had eaten three hotdogs before...

Pemmican wrote:As far as I know, there are these 13 tenses: a) Past Perfect Progressive ........................had been + present participle b) Past Perfect ..........................................had + past participle c) Past Progressive ...................................was/were + present...

It'd be "The show has been fun". Here, the Present Perfect is taught - so the simple past tense forms are changing to present perfect forms which consists of the helping verb "have /has" and the past participle, the 3rd form of the verb: I have worked, you have gone, he has written, she has...

As far as I know, there are these 13 tenses: a) Past Perfect Progressive ........................had been + present participle b) Past Perfect ..........................................had + past participle c) Past Progressive ...................................was/were + present participle d)...