Its time for...
Present perfect tense
Formula: Positive: S + have/has + V3 Negative: S + have/sas Not + V3
Introgative: Have/has + S + V3
Here are some examples of the present perfect tense:
subject | auxiliary verb | main verb | |||
+ | I | have | seen | ET. | |
+ | You | have | eaten | mine. | |
- | She | has | not | been | to Rome. |
- | We | have | not | played | football. |
? | Have | you | finished? | ||
? | Have | they | done | it? |