You had read.
Past Perfect Tense of Read is had read.I had read the book before.
"Have read" is the present perfect tense.
The future perfect tense of read is will have read.
Past perfect dream.
Existed is the past tense. The past perfect tense is had existed.
Yes and no. 'Red' generally refers to the color but although it is spelled the same way in both tenses, when being used in the past tense, the word 'read' is pronounced the same way as the word 'red'.
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 is "had confronted".
The past perfect tense is had chosen.
The past perfect tense is had burned.
The past perfect tense is had set.