| I | swim |
|---|---|
| you | swim |
| he/she/it | swims |
| we | swim |
| you | swim |
| they | swim |
| I | swam |
|---|---|
| you | swam |
| he/she/it | swam |
| we | swam |
| you | swam |
| they | swam |
| I | have | swum |
|---|---|---|
| you | have | swum |
| he/she/it | has | swum |
| we | have | swum |
| you | have | swum |
| they | have | swum |
| I | had | swum |
|---|---|---|
| you | had | swum |
| he/she/it | had | swum |
| we | had | swum |
| you | had | swum |
| they | had | swum |
单语范例（未经PONS编辑处理）
For example, a goldfish may swim toward its owner and follow him as he walks through the room, but will not follow anyone else.
en.wikipedia.org When the children reach the edge, they jump off and swim through the air.
en.wikipedia.org Watch the fish swim by as you dine on delicacies like caviar, oysters, and lobster.
business.financialpost.com He can swim at high speeds, leap out of the water and strike with his bill.
en.wikipedia.org Only some scraggly weeds stick up where generations of children splashed happily and learned to swim.
www.dailycal.org