| I | quarantine |
|---|---|
| you | quarantine |
| he/she/it | quarantines |
| we | quarantine |
| you | quarantine |
| they | quarantine |
| I | quarantined |
|---|---|
| you | quarantined |
| he/she/it | quarantined |
| we | quarantined |
| you | quarantined |
| they | quarantined |
| I | have | quarantined |
|---|---|---|
| you | have | quarantined |
| he/she/it | has | quarantined |
| we | have | quarantined |
| you | have | quarantined |
| they | have | quarantined |
| I | had | quarantined |
|---|---|---|
| you | had | quarantined |
| he/she/it | had | quarantined |
| we | had | quarantined |
| you | had | quarantined |
| they | had | quarantined |
单语范例（未经PONS编辑处理）
Many zoos quarantine boas specifically as a result of this high risk before introducing them into their permanent collections and (breeding) programs.
en.wikipedia.org To address these issues, the committee in 1965 recommended a laboratory with limited analytical capacity and an ability to quarantine the returning astronauts and samples.
en.wikipedia.org Weeds have been mapped and an eradication program is in place, supported by improved education and quarantine procedures.
en.wikipedia.org Quarantine facilities were hastily constructed to accommodate them.
en.wikipedia.org There was no medical inspection employed, but the whole routine left to the officers of customs and quarantine.
en.wikipedia.org