The past perfect tense is had added.
The past tense of add is added.
Simple is not a verb therefore it doesn't have a past tense. The past of perfect is perfected
The past perfect tense follows this structure:Subject + Auxiliary Verb "have" (had) + Past Participlee.g. I had finished my homework.
The future perfect tense refers to the past in the future. E.g. I will have finished.
The formula for the present perfect tense is: has/have + past participle. To make it negative, add the adverb not.Examples:I have not walkedWe have not walkedYou have not walkedHe/she has not walkedThey have not walked
The past tense of "exist" is "existed." The past perfect tense is "had existed."
The past perfect tense of hope is had hoped.
The past tense of "bleed" is "bled." The past perfect tense of "bleed" is "had bled."
The past tense of sit is sat. The past perfect tense of sit is had sat.
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
Perfected is the past tense of perfect.
"Had been" is the past perfect tense of be.
The past perfect tense of 'get' is 'had gotten'
The past perfect tense of "do" is "had done." For example, "She had done her homework before dinner."
The past perfect tense of borrow is "had borrowed."
The past perfect tense of "think" is "had thought."
you add " have " for ( I , you , we , you , they ) , and " has " for ( he , she , it ) all this + the past participle of the verb you're using .