Yes, was and were are past tense forms of be.
I/He/She/It was
We/You/They were
Is can be used in the past tense if it's in its past tense form, which is was.
You use the past tense form which is 'had'.
Yes, were is a past tense form of be.I wasWe wereYou wereHe/She/It wasThey were
Decision is a noun. The verb form is decide, and the past tense is decided.
The British English past tense is misspelt. The American English past tense is misspelled.
"Has" is the present tense form of the verb "have." The past tense form of "has" is "had."
The past tense form is destroyed.
struck is the past tense verbStruck IS the past tense form...of the word strike.
Formed is the past tense of form.
The past tense is laid.
The past tense is held.
Is and are are present tense form of be. The past tense of be is was/were.
Do is the present tense. The past tense is did. The past participle is done.
Did not do it -> did not do it (same past tense form)
The word "that" is not a verb and does not have a past tense form.
No 'is' is present tense. am/is/are = present tense was/were = past tense
To is not a verb and does not have a past tense form.