There is no past tense of "performance" because it is a noun and not a verb. Only verbs have tenses.
The past tense is performed.
plays is a present tense and its past tense is played.
The past tense is danced.
The past tense of entertain is entertained.
Theater is a noun and so doesn't have a past tense. Only verbs have a past tense.
Performed is past tense. The present tense is perform, and the future tense is will perform.
"Astonished" is usually in the past simple tense; however, it can also be used in the present simple tense. Example: "I was astonished by his performance" (past simple) or "She looks astonished by the news" (present 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 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).
The past tense of "am" is "was" and the past perfect tense of "has" is "had."
HAD is the Past Tense of TO HAVE.
The past tense of "have" is "had."
The past tense of "you will not" is "you would not."