Swum is the past participle of the verb "swim".
will have swum
It must be used after some form of have. He/she/it (has) swum. We/You/they (have) swum. Or having, as in: Having swum the length of the pool....
swum as in I have swum the channel
will have swum is the verb phrase.
swum as in I have swum the channel
"You have just swum" is correct. "Swam" is the past tense, while "swum" is the past participle form of the verb "swim."
infinitive: swimpast: swampast participle: swum
The present perfect is created with has/have + a past participle.I have swumWe have swumYou have swumHe/she has swumThey have swum
"Swum" is the past participle of "swim" (I swim today, I swam yesterday, I have swum there before). I couldn't believe he had swum the English Channel at such a young age.
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".
swum swim swam swum