Base form = Strive
Past simple = Strove
Past participle = Striven
3rd person singular = Strives
Present Participle/Gerund = Striving
The past participle of "strive" is "striven" or "strived."
The present perfect continuous is formed with have/has + been + present participle (-ing form of a verb).I have been strivingWe have been strivingYou have been strivingHe/she has been strivingThey have been striving
Being is the present participle. The past participle is been.
talk is regular. The present participle is talking, the past participle is talked.
The present participle is "sowing" and the past participle is "sown".
Present participle - winding Past participle - winded
Begun is the past participle, and beginning is the present participle.
The present participle is beating. The past participle is beat.
Studied is the past participle of study. Studying is the present participle.
The present participle is hiding.The simple past tense is hid.The past participle is hidden.
Lead is present tense. The present participle is leading. Led is the past tense and past participle.
The past participle is come; the present participle is coming.