| I | semaphore |
|---|---|
| you | semaphore |
| he/she/it | semaphores |
| we | semaphore |
| you | semaphore |
| they | semaphore |
| I | semaphored |
|---|---|
| you | semaphored |
| he/she/it | semaphored |
| we | semaphored |
| you | semaphored |
| they | semaphored |
| I | have | semaphored |
|---|---|---|
| you | have | semaphored |
| he/she/it | has | semaphored |
| we | have | semaphored |
| you | have | semaphored |
| they | have | semaphored |
| I | had | semaphored |
|---|---|---|
| you | had | semaphored |
| he/she/it | had | semaphored |
| we | had | semaphored |
| you | had | semaphored |
| they | had | semaphored |
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单语范例（未经PONS编辑处理）
Prior to 2008 the points were operated by a safeworker, and the up home signal was of the semaphore type.
en.wikipedia.org A (binary) semaphore is the simplest type of lock.
en.wikipedia.org Thread libraries typically require semaphores or condition variables to control the sleep/wakeup of threads.
en.wikipedia.org Even new semaphores are still occasionally installed, though now mainly as spares in semaphore-only areas.
en.wikipedia.org By 1882 the bridge would be used by trains 150 times a day, with communications between each side of the bridge being done by semaphore.
en.wikipedia.org