Happen is not a participle. It is the simple present tense. The present participle is happening, and the past participle is happened.
The past participle of a verb is a verb ending in -ed that acts as an adjective or an adverb.For example:The clear blue sky seemed to turn into a darkened cloud once winter began.Therefore, the past participle of happen is happened.
Being is the present participle. The past participle is been.
No, the word store is not a participle. The present participle is storing. The past participle is stored.
The present participle is swelling. The past participle is swelled.
The past participle is proceeded. The present participle is proceeding.
The present participle is "sowing" and the past participle is "sown".
The present participle is bearing. The past participle is borne.
Present participle - winding Past participle - winded
The present participle is beating. The past participle is beat.
Begun is the past participle, and beginning is the present participle.
The past participle is gotten. The present participle is getting.
For past participle