It is "cost" (same form as present tense).
Cost is past tense of cost that can be used in present tense form.
Cost is one of a few verbs which have the same word for the verb, the past form and the past participle. verb = cost past = cost past participle = cost The books cost a lot of money. Last week the books cost less than this week. past simple sentence
Cost is the present, past, and future tense of cost.
Inventory is a noun so it does not have a past tense. The closest you can get is the verb invent, in which case the simple past tense is invented.
What is your question?Are you asking what is the simple past tense of "pay"?Paid is the simple past tense of pay, as there is no simple past tense of of paid. Paid is already past tense.
The simple past tense of have is had.
It is "cost" (same form as present tense).
The simple past tense of 'am' is 'was' or 'were'
The simple past tense is had.
The simple past tense of 'be' is 'was' and 'were'
The simple past tense of "blow" is "blew."
Simple past tense. Past perfect tense. Past perfect continuous tense. Past continuous tense.
The past tense of cost is cost; the past tense of play is played.
The simple past tense of the verb "know" is "knew."
The simple past tense of "ring" is "rang."
The past tense is was.