Lightning can be used as a noun (bolt of lightning) or an adjective (lightning fast). It is not a verb, so it does not have a past tense form.
The past tense of feel is felt, and the past tense of speed is sped.
The past tense is vacuumed.
Scanned is the past tense of scan.
The past tense of blast is blasted.
The past tense of collide is collided.
heard - is a past tense verb. Because there is only one verb in this sentence it is a simple tense = past simple
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 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". The past tense of "to be" is "was" or "were".
HAD is the Past Tense of TO HAVE.
The past tense is had.
The past tense of "am" is "was" and the past perfect tense of "has" is "had."
The past tense of "you will not" is "you would not."