what is the past form of the verb cannot
The past tense of cannot is couldn't!!!
Wore is the past tense of wear. You cannot have a past tense of a past tense, so there is no such word as weared.
"Past" is not a verb, therefore it cannot have a past tense. "Passed" is a verb, in the past tense.
Cad is not a verb, so it cannot have a past tense.
"They" is a pronoun. It cannot have a past tense, as it is a word for a group of people or objects, and not an action / verb that can alter from the present tense to the past.
Unknown can be an adjective or a noun, not a verb, so it cannot have a past tense.
The past tense of "help" would be "helped".helpedHelped.
"so far" is not a verb, hence it cannot have any tense (Past Tense included).
Cannot.
Integrity is a noun, not a verb, so it cannot have past tense.
could not/couldn't
sword is not a verb so cannot have a tense. it's a noun.