The present perfect of "laugh" is "have/has laughed."
Laugh is present tense. The past tense is laughed, and the future tense is will laugh.
The present progressive of "laugh" is "laughing."
The present participle of "laugh" is "laughing."
The present progressive tense of "laugh" is "laughing."
There is no present tense form of the verb "laugh" that includes a past participle of "laugh" except in a strained passive voice construction such as, "His reply was loudly laughed".
Laughed
No, it is not. The word laugh can be a noun or a verb. It can be used as a noun adjunct (attributive noun) with other nouns, in compound terms such as laugh track or laugh lines. Adverb forms of laugh include laughingly and laughably.
The past perfect tense of laugh is had laughed.
Laugh is present tense. The past tense is laughed, and the future tense is will laugh.
"Have studied" is in the present perfect tense. It is formed by using the auxiliary verb "have" followed by the past participle of the main verb.
There is no present tense form of the verb "laugh" that includes a past participle of "laugh" except in a strained passive voice construction such as, "His reply was loudly laughed".
The present perfect tense of "hid" is "have/has hidden."
The present participle of "laugh" is "laughing."
The present perfect of "follow" is "have followed" or "has followed."
The present perfect tense of "are" is "have been."
have/has planned (PRESENT PERFECT)
The present perfect is 'I have sung'