Imperious is an adjective and doesn't show tense.
You could use it in a past tense sentence eg
Her attitude was imperious all week
Destroyed is the past tense of destroy...therefore there is not a past tense for destroyed.
The past tense is smote.
"Responsible" is an adjective. It does not have a past tense. Instead, the past tense would apply to the word before. (Present - she is responsible, Past - she was responsible.)
The word 'at' is not a verb and so doesn't have a past tense.
The past tense of clean is cleaned.
The past tense of say is said.
The past tense of say is said.
The past tense of "say" would be "said".
The past perfect tense of say is had said.
To is not a verb and does not have a past tense.
"Said" is not an example of past tense; it is the past participle of the verb "say." In past tense, it would be "said."
Was is the past tense of the verb 'be'
SayPast tense - said.Present tense - say/says/saying.Future tense - will say.GetPast tense - got.Present tense - get/gets/getting.Future tense - will get.
The simple past tense and past participle are both said.
The past tense in 'ruined'
The past tense of the verb "say" is "said."
The past tense is rested.