| I | spur |
|---|---|
| you | spur |
| he/she/it | spurs |
| we | spur |
| you | spur |
| they | spur |
| I | spurred |
|---|---|
| you | spurred |
| he/she/it | spurred |
| we | spurred |
| you | spurred |
| they | spurred |
| I | have | spurred |
|---|---|---|
| you | have | spurred |
| he/she/it | has | spurred |
| we | have | spurred |
| you | have | spurred |
| they | have | spurred |
| I | had | spurred |
|---|---|---|
| you | had | spurred |
| he/she/it | had | spurred |
| we | had | spurred |
| you | had | spurred |
| they | had | spurred |
单语范例（未经PONS编辑处理）
However, it has also been claimed the spurs are modified scales and do not appear to be linked to any bone structure.
en.wikipedia.org She also believes fear spurs many world leaders to lose sight of their purpose.
en.wikipedia.org They have large spurs on their wings which are used in fights over mates and territorial disputes.
en.wikipedia.org There are many numbering violations in the spur route numbering system, thus the general rules above do not always apply.
en.wikipedia.org There are two types of twig, vegetative twigs and fruiting spurs.
en.wikipedia.org