Present perfect is formed with - have/has + past participle
The past participle of shake is shaken so present perfect is have shaken or has shaken.
We have shaken the dice.
She has shaken her cage.
The present perfect of "shake" is "have shaken".
The present perfect tense of shake is have/has shaken.I have shakenWe have shakenYou have shakenHe/she has shakenThey have shaken
The present perfect forms are have shaken and has shaken.Examples:They have shaken everything up. (plural subject)She has shaken everything up. (singular subject)
The past perfect tense of "shake" is "had shaken."
The future perfect tense of "shake" is "will have shaken."
The present perfect of "follow" is "have followed" or "has followed."
The present perfect tense of shake is have/has shaken.I have shakenWe have shakenYou have shakenHe/she has shakenThey have shaken
The present perfect forms are have shaken and has shaken.Examples:They have shaken everything up. (plural subject)She has shaken everything up. (singular subject)
shook The present perfect tense is "I have shaken".
The past perfect tense of "shake" is "had shaken."
The future perfect tense of "shake" is "will have shaken."
The present perfect of "follow" is "have followed" or "has followed."
The present perfect form of "present" is "have/has presented."
The present participle is shaking.
The present perfect tense of "hid" is "have/has hidden."
The present perfect tense of "exist" is "has/have existed."
Shook
The present perfect tense of "are" is "have been."