Question

has / have helping verb used in, which tense​

Answer 1

Answer:

Has/have helping verb is used in present perfect tense.

Answer 2

Answer:

HAVE and HAS are used as auxiliary verbs to form the present perfect and present perfect-progressive tenses. The rules above still apply when the subject is concerned. However, to form the two tenses mentioned we add other verbs.

Present Perfect Tense (Subject + HAVE/HAS + Past Participle verb):

1. I have waited for three long hours just to see you.
2. You have eaten the last slice of cake.
3. They have practiced for weeks just for this day.
4. The dogs have wrecked my garden.She has stolen my case.
5. It has spoiled my cocktail.
6. Ryan has done nothing to help.

Explanation:

I hope this helps