Yes, responded is the past tense of respond.
The past tense of "respond" is "responded."
No, it is not. It is a verb meaning to reply.
Only verbs have tenses. "Responsible" is an adjective.
The past tense of the verb "to answer someone" is answered.
the past tense of am is was and the past tense of has is had
The past participle of respond is "responded."
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).