New is not a verb and does not have a past tense form.
Since the word 'news' is a noun, there is no past tense for it because only verbs have tenses.
Past tense of stun is stunned, as in, "That terrible news stunned me."
The past perfect tense is created with the auxiliary verb "had" + a past participle. For the verb "hear" the past perfect tense is "had heard".I had heardWe had heardYou had heardHe/she had heardThey had heard
The past tense of "upset" is "upset." For example, "She was upset by the news."
The past tense of the word "spread" is "spread." For example, "She spread the news to everyone."
the past tense of am is was and the past tense of has is had
"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 "has" is "had" and the past tense of "have" is "had."
The past tense of "feel" is "felt." For example, "Yesterday, I felt happy after receiving good news."
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."