| I | enforce |
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| you | enforce |
| he/she/it | enforces |
| we | enforce |
| you | enforce |
| they | enforce |
| I | enforced |
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| you | enforced |
| he/she/it | enforced |
| we | enforced |
| you | enforced |
| they | enforced |
| I | have | enforced |
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| you | have | enforced |
| he/she/it | has | enforced |
| we | have | enforced |
| you | have | enforced |
| they | have | enforced |
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| you | had | enforced |
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单语范例（未经PONS编辑处理）
In places where more than one occupancy may apply the stricter code is usually enforced.
en.wikipedia.org During this time student housing enforces a strict quiet hour policy.
en.wikipedia.org The law relating to seats is enforced by the inspectors of factories.
en.wikipedia.org A third view holds that the fundamental cause of international financial fragility is a lack of institutions to enforce contracts between parties.
en.wikipedia.org Many students affected by this rule claimed that it was not enforced before and were allowed to attend homecoming, even with excessive absences.
en.wikipedia.org