| I | speed |
|---|---|
| you | speed |
| he/she/it | speeds |
| we | speed |
| you | speed |
| they | speed |
| I | sped / speeded |
|---|---|
| you | sped / speeded |
| he/she/it | sped / speeded |
| we | sped / speeded |
| you | sped / speeded |
| they | sped / speeded |
| I | have | sped / speeded |
|---|---|---|
| you | have | sped / speeded |
| he/she/it | has | sped / speeded |
| we | have | sped / speeded |
| you | have | sped / speeded |
| they | have | sped / speeded |
| I | had | sped / speeded |
|---|---|---|
| you | had | sped / speeded |
| he/she/it | had | sped / speeded |
| we | had | sped / speeded |
| you | had | sped / speeded |
| they | had | sped / speeded |
单语范例（未经PONS编辑处理）
The withdrawing is carried out at a constant speed to avoid any jitters.
en.wikipedia.org On the surface the petrol engine gave a top speed of while the maximum speed submerged was.
en.wikipedia.org He condemned a speed trap policy, in which motorcycle policemen hide behind gas stations and billboards to pounce upon the unwary motorist.
en.wikipedia.org The anemometer (wind speed instrument) failed at around 3:10 a.m, with the wind vane (wind direction) destroyed after the cyclone's eye.
en.wikipedia.org The transistor uses gold nano-particles of about 520 nm set with pentacene to emulate the change in voltages and speed within the signal.
en.wikipedia.org