Was, or have been.
I am becomes I was, or I have been.
The past tense of "pat" is "patted."
Pat I pat the dog.
The past tense is patted.
Was, or has been.
The past tense of 'Know' is Knew.
laughed
Raced
Past tense you mean? =Taught
they are both correct it just depends on what tense the sentence is in. if the sentence is in pat tense it is may be required, but if it is in present tense it is may require. they are both correct it just depends on what tense the sentence is in. if the sentence is in pat tense it is may be required, but if it is in present tense it is may require.
The word is rang. This is one of the irregular verbs, meaning that you can't just put "ed" on the end of the word to make it past tense.
In Sanskrit, the dhatu (root) "pat" means "to fall" or "to fly." Its primary forms include the present tense form "patati" (he falls), the past tense "patat" (he fell), and the future tense "patishyati" (he will fall). The verbal noun or gerund form is "patana," which refers to the act of falling. This dhatu is part of various compound forms and derivatives in the Sanskrit language.
Am, is, and are are present tense forms of be. The past tense forms of be are was and were. The future tense of be is will be.