| I | derail |
|---|---|
| you | derail |
| he/she/it | derails |
| we | derail |
| you | derail |
| they | derail |
| I | derailed |
|---|---|
| you | derailed |
| he/she/it | derailed |
| we | derailed |
| you | derailed |
| they | derailed |
| I | have | derailed |
|---|---|---|
| you | have | derailed |
| he/she/it | has | derailed |
| we | have | derailed |
| you | have | derailed |
| they | have | derailed |
| I | had | derailed |
|---|---|---|
| you | had | derailed |
| he/she/it | had | derailed |
| we | had | derailed |
| you | had | derailed |
| they | had | derailed |
单语范例（未经PONS编辑处理）
Both have followed in the footsteps of their respective families, and both face threats from others trying to derail their careers.
en.wikipedia.org Travelling through two stations at 50 mph (80 km/h), the train derailed, running into the ground-floor kitchen of a house.
en.wikipedia.org The accident saw eight passenger cars derail, left 46 people injured with no fatalities.
en.wikipedia.org The engine overturned and eight of the twelve carriages derailed.
en.wikipedia.org Many wagons are derailed, the bridge is wrecked, and five wagons fall off the bridge into a gorge.
en.wikipedia.org