| I | surf |
|---|---|
| you | surf |
| he/she/it | surfs |
| we | surf |
| you | surf |
| they | surf |
| I | surfed |
|---|---|
| you | surfed |
| he/she/it | surfed |
| we | surfed |
| you | surfed |
| they | surfed |
| I | have | surfed |
|---|---|---|
| you | have | surfed |
| he/she/it | has | surfed |
| we | have | surfed |
| you | have | surfed |
| they | have | surfed |
| I | had | surfed |
|---|---|---|
| you | had | surfed |
| he/she/it | had | surfed |
| we | had | surfed |
| you | had | surfed |
| they | had | surfed |
单语范例（未经PONS编辑处理）
Fortunately, the end of the race is slightly less borked than last year, where the very, very end required yet another channel-hop.
blackflag.jalopnik.com Heavy green drapes block out the sun, the better to channel-surf on that 6-foot flat-screen.
europe.newsweek.com What about the factors that make people stop watching a show, and instead channel-surf to explore other viewing options?
entertainment.inquirer.net Apart from the possibilities for water sports (sailing, surfing, rowing, canoeing, fishing and diving), two passenger ships ply the lake at the moment.
en.wikipedia.org It was the industry's first service to help consumers stay safe as they searched, surfed and shopped.
en.wikipedia.org