I swim. (Present)
I swam.
I have swum.
I swim. (Present) I swam. I have swum.
Swam is the past tense of swim. The present participle for swim is swimming.
The past participle of swim is swum.The past participle of sit is sat.
The past participle of swim is swum.
The past tense is swam. (I swam, you swam, they swam) The past participle is swum. Present perfect : he has swum Past perfect : he had swum Future perfect: he will have swum
The past participle of "swim" is "swum". The simple past tense is is "swam".
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.