have / has understood.
I have understood everything you said.
She has understood the experiment quite well.
The present perfect tense of "understand" is "have understood."
The present perfect tense of "hid" is "have/has hidden."
"have tried" is the present perfect tense.
The present perfect tense is has/have existed.
The present perfect tense of hurry is "have/had hurried."
The present perfect tense of "hurt" is "have/has hurt."
Present perfect tense.
The present perfect tense of "hid" is "have/has hidden."
present tense past tense future tense present perfect tense past perfect tense future perfect tense present progressive tense past progressive tense future progressive tense present perfect progressive tense past perfect progressive tense future perfect progressive tense
The present perfect tense of "are" is "have been."
The present perfect tense of leave is have/has left. The present perfect tense of eat is have/has eaten.
"have tried" is the present perfect tense.
The present perfect tense is has/have existed.
The 6 forms of perfect tenses are: present perfect, past perfect, future perfect, present perfect continuous, past perfect continuous, and future perfect continuous.
Present Tense, Paste Tense, Future Tense, Future Perfect Tense, Present Perfect Tense, Past Perfect Tense
The present perfect tense of "protest" is "have/has protested."
The present perfect tense of hurry is "have/had hurried."
The present perfect tense of "explore" is "have explored."