I had agreed.
Present perfect is formed with - have/has + past participle The past participle of agree is agreed so present perfect is have agreed or has agreed. We have agreed to sign the document. She has agreed to sign the document.
The past tense of agree is agreed.
Agreed is the past tense of the verb agree.
The past tense of agree is agreed.
Existed is the past tense. The past perfect tense is had existed.
The past tense is bled, and the past perfect tense is had bled.
The past tense of sit is sat; the past perfect tense is had sat.
The past perfect tense of hope is had hoped.
The past perfect tense is had submitted.
The past perfect tense is had chosen.
The past perfect tense is "had confronted".
The past perfect tense is had set.