There is no past tense of past tense because it is not a verb. For instance, there is no past tense of the word 'desk' (there is no 'desked' or 'did desk', because desk is a noun, not a verb.
Or it could mean: Past perfect.
Past perfect is sometimes described as 'past in the past'. It is used to show that one thing in the past happened before another thing in the past.
Example: The race had finished before the rain started.
"Is" is the third person singular present tense form of "to be". The third person singular past form of "to be" is "was".
He is behaving like a clown.
He was behaving like a clown. was
"Past" is not a verb, therefore it cannot have a past tense. "Passed" is a verb, in the past tense.
"The" is not an action, verb, or motion. It will not change form from present to past tense.
past tense of is
아팠다 is the pastence of 아프다.
w
the past tense of am is was and the past tense of has is had
The past tense of "has" is "had" and the past tense of "have" is "had."
Was and were are both the past tense of be. The present tense is: I am he is you are they are The past tense is: I was he was you were they were
"will be" is the future tense of "be". The past tense of "be" is "was/were".
The past tense of "she do" is "she did."
The word "were" is past tense. It is the past tense of the verb "to be."
The past tense of "will" is "would" and the past tense of "be" is "was" or "were" depending on the subject (singular or plural).
HAD is the Past Tense of TO HAVE.
The past tense of "am" is "was" and the past perfect tense of "has" is "had."
The past tense of "have" is "had."
The past tense of "you will not" is "you would not."
The past tense of "exist" is "existed." The past perfect tense is "had existed."