| I | plummet |
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| you | plummet |
| he/she/it | plummets |
| we | plummet |
| you | plummet |
| they | plummet |
| I | plummeted |
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| you | plummeted |
| he/she/it | plummeted |
| we | plummeted |
| you | plummeted |
| they | plummeted |
| I | have | plummeted |
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| you | have | plummeted |
| he/she/it | has | plummeted |
| we | have | plummeted |
| you | have | plummeted |
| they | have | plummeted |
| I | had | plummeted |
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| you | had | plummeted |
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| we | had | plummeted |
| you | had | plummeted |
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单语范例（未经PONS编辑处理）
Later, when law enforcement pressure drove many major players out of the picture, many high-end stores and businesses closed because of plummeting sales.
en.wikipedia.org Passenger numbers on rail were plummeting, quickly rendering it unprofitable.
en.wikipedia.org I peered up the companionway to see the horizon rising and plummeting nauseatingly.
www.mysailing.com.au The country has been hit by a severe cold wave sending temperatures plummeting to -16?
www.news24.com This also had the effect of rendering aboriginal women infertile, and infecting any infants born causing high infant mortality and a plummeting birthrate.
en.wikipedia.org