If by "lay" is meant the present indicative and infinitive form of "to lay", a transitive verb, the past participle is "laid". "Lay", however, is also the past indicative form of the irregular and intransitive verb "to lie", and if that is the meaning of "lay", it, like other past tense verbs, has no participle of its own; the past participle of this meaning of "lie" is lain.
If by "lay" is meant the present indicative and infinitive form of "to lay", a transitive verb, the present participle is "laying". "Lay", however, is also the past indicative form of the irregular and intransitive verb "to lie", and if that is the meaning of "lay", it, like other past tense verbs, has no participle of its own.
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of "am not" is "have not been."
The past participle of "do" is "done."
The past tense of "have" is "had," and the past participle is also "had."
If by "lay" is meant the present indicative and infinitive form of "to lay", a transitive verb, the present participle is "laying". "Lay", however, is also the past indicative form of the irregular and intransitive verb "to lie", and if that is the meaning of "lay", it, like other past tense verbs, has no participle of its own.
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of "am not" is "have not been."
The past participle of "do" is "done."
The past tense of "have" is "had," and the past participle is also "had."
The past participle of the word "have" is "had."
The past participle of "am, are, is" is "been."
The past participle of "will" is "willed."
The past participle is thought.
The past participle of "to" is "been." The past participle of "be" is also "been."
Being is the present participle. The past participle is been.
The past tense and the past participle is "answered".