Yes. Passive verb forms are - be + past participle. eg
is lost, was given, were asked.
The students were asked to leave early.
"Use" is a regular verb; therefore, its past participle is "used".
Used is the past participle; using is the present participle.
Present Perfect: have (has - for the 3rd pers sing) + the verb's 3rd form (the [Past] Participle). Past Perfect: had + the verb's 3rd form (the [Past] Participle). Future Perfect: will (shall) + have + the verb's 3rd form (the [Past] Participle). Past (or Perfect) Conditional: would +have + the verb's 3rd form (the [Past] Participle). Past Subjunctive (Analytical): should + have + the verb's 3rd form (the [Past] Participle). Perfect Infinitive: to have + the verb's 3rd form (the [Past] Participle). Perfect Gerund (also called Present Participle): having + the verb's 3rd form (the [Past] Participle).
The past participle of the verb "study" is "studied."
The past participle of the verb "be" is "been."
"Use" is a regular verb; therefore, its past participle is "used".
Used is the past participle; using is the present participle.
Present Perfect: have (has - for the 3rd pers sing) + the verb's 3rd form (the [Past] Participle). Past Perfect: had + the verb's 3rd form (the [Past] Participle). Future Perfect: will (shall) + have + the verb's 3rd form (the [Past] Participle). Past (or Perfect) Conditional: would +have + the verb's 3rd form (the [Past] Participle). Past Subjunctive (Analytical): should + have + the verb's 3rd form (the [Past] Participle). Perfect Infinitive: to have + the verb's 3rd form (the [Past] Participle). Perfect Gerund (also called Present Participle): having + the verb's 3rd form (the [Past] Participle).
The past participle of the verb "study" is "studied."
The past participle of the verb "be" is "been."
The past participle (and simple past) is developed.
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.
THE PAST Participle of occur is occurred!
Like is a regular verb so the past participle is verb + ed, = liked
By is not a verb and does not have participle forms; however, buy is a verb. The past participle is bought.
It is the past participle of cleave.
The past participle of the verb die is died.