| 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）
Dramatically speeding up the execution makes possible previously non-existent representational technique.
en.wikipedia.org Any trip conducted in less than the allotted time could lead to the dismissal of the brakeman for speeding.
en.wikipedia.org This set of speed cameras is thought by locals not to be in current use, but nonetheless acts as a strong deterrent against speeding.
en.wikipedia.org Now, when the car goes uphill, the decrease in speed is measured, and the throttle position changed to increase engine power, speeding up the vehicle.
en.wikipedia.org Its use can have the effect of speeding up the rhythm of a passage and making a single idea more memorable.
en.wikipedia.org