This verb has two past participles. The most common one is simply "cost" itself, but when the meaning is "to estimate or determine the cost of", the past participle is "costed". When cost is used in this sense, it is often followed by "out".
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
Like the verb to set, the verb to cost has a limited conjugation. Both the past tense and past participle are also cost.Past tense: His mistake cost him his freedomPresent perfect: His mistake has cost him his freedom.Past perfect: His mistake had cost him his freedom.
cost
It is the same: cost.
It is also cost.
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
Like the verb to set, the verb to cost has a limited conjugation. Both the past tense and past participle are also cost.Past tense: His mistake cost him his freedomPresent perfect: His mistake has cost him his freedom.Past perfect: His mistake had cost him his freedom.
visit is a regular verb so the past and the past participle are both verb + ed ievisitedvisited is the past participle of the verb visit.
By is not a verb and does not have participle forms; however, buy is a verb. The past participle is bought.
The past participle of the verb die is died.
There is no past participle. The idiomatic construction "have to" means "must" and is used as an auxiliary verb. (The verb to have has the past tense had and the past participle had.)
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented
The past participle of the verb to have is had.
The past participle of the verb to do is "done."
No, "had gone" is not a verb on its own. "Had" is the past participle of the verb "to have" and "gone" is the past participle of the verb "to go." Together, they form the past perfect tense of the verb phrase "had gone."
"Red" is not a verb and therefore does not have a past participle. The closest verb form is "redden". Its past participle is "reddened"
The past participle of the verb die is died.