The present tense of died is:
The past tense of die is died examples... 1) Past tense- He died 2 months ago 2) Present tense- He will die in 2 months
died
The verb is is the present tense.
In the given text, "have ... died" is in the present perfect tense; "are ballooning" is in the present progressive tense; and "burst" is in the simple present tense.
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
Present perfect tense.
It was, (past tense) it is, (present tense) it will be( future tense)
Past tense I had Present tense I have Future Tense I will have
"Has" is in present tense. The past tense is "had".
No 'is' is present tense. am/is/are = present tense was/were = past tense
Present tense
I already answered it once: In the given text, "have ... died" is in the present perfect tense; "are ballooning" is in the present progressive tense; and "burst" is in the simple present tense.