For make sentences in present perfect we just need the verb ''to have (HAS)" + the past participle of the verb.
eg:. have or has + frightened.
The present perfect is -- have /has + past participle = has/have slept.
The present perfect progressive form of "sleep" is "has/have been sleeping."
The past tense of frighten is frightened.
The present perfect tense of "feel" is "have felt." For example, "I have felt happy recently."
The present perfect forms are have studied, has studied.Examples:We have studied the results. (plural subject)He has studied the results. (singular subject)
No, frighten is a verb (frighten, frightens, frightening, frightened). The noun form is fright or the present participle of the verb (gerund) frightening.
The present perfect form of "present" is "have/has presented."
The present perfect of follow is has/have followed.
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
The present perfect tense of "are" is "have been."
Has/have drawn is the present perfect of "draw".
have/has planned (PRESENT PERFECT)
The present perfect is 'I have sung'
Present perfect tense.
There are two forms of the present perfect tense: simple present perfect (I have eaten) and progressive present perfect (I have been eating). Both forms use "have" or "has" with the past participle of the main verb to indicate an action that started in the past and has relevance to the present.
Present Perfect:I/We/You/They have takenHe/She/It has takenPast Perfect:had taken