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....
I assume your question is if this sentence is correct. It's not. :( Correct: He swam across the lake yesterday. Example of "had swum": "Before the day of the race, I had swum two miles every day." "Had swum" (or "had done anything") shows the action happened before a past action or event.
"You have just swum" is correct. "Swam" is the past tense, while "swum" is the past participle form of the verb "swim."
"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.
No. It isn't. Haven't you swum in the other pool yet? Answer: Although I don't like to disagree, and it's certainly true that in traditional written English we should say 'haven't you swum..', people do use 'you haven't swum..' with a rising intonation in spoken English to express surprise. The questioner may be asking about the declarative sentence 'You haven't swum in the other pool yet.' The question mark relates to the inquiry about grammar, and not necessarily to the function of the construct. As a declarative sentence, it is correct.
will have swum is the verb phrase.
Acutally, it is an intransitive verb which needs a 'helping verb' such as have.......... A sentence using the word 'swum' could be: "I've swum to the island every day." The "'ve" stands for "have," a helping verb
will have swum is the verb phrase.
While swam is the past tense of swim, swumis the past-perfect tense of swim. Swam would be used in the following sentence: "We swam down the river yesterday." Swum would be used in the following sentence: "We had swum down the river yesterday before going inside for dinner." =D
Yes, it is.
It depends how you use it. If you use it after something it can be correct. But being in a sentence by itself isn't correct.
If you use 'you and he' as the subject of the sentence, it is correct: You and he will meet when we get to the restaurant.
Use is present. Used is past. The correct sentence is, This is used for....