| 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 Passwords can be quite easily duplicated by shoulder-surfing or by keyloggers.
www.computerworlduk.com This makes shoulder-surfing significantly harder, as seeing the keypad is limited to a much more direct angle than previous models.
en.wikipedia.org