| I | frost |
|---|---|
| you | frost |
| he/she/it | frosts |
| we | frost |
| you | frost |
| they | frost |
| I | frosted |
|---|---|
| you | frosted |
| he/she/it | frosted |
| we | frosted |
| you | frosted |
| they | frosted |
| I | have | frosted |
|---|---|---|
| you | have | frosted |
| he/she/it | has | frosted |
| we | have | frosted |
| you | have | frosted |
| they | have | frosted |
| I | had | frosted |
|---|---|---|
| you | had | frosted |
| he/she/it | had | frosted |
| we | had | frosted |
| you | had | frosted |
| they | had | frosted |
单语范例（未经PONS编辑处理）
If we have had an early ground frost, there is a particular smell about the turned fields first thing in the morning.
www.dailymail.co.uk Footing depth is dug to below the ground frost level and depends on the region.
en.wikipedia.org And tonight, a light ground frost is expected in some places.
www.thejournal.ie And with rain showers and sharp ground frost forecast, cover and keeping warm were obviously going to be factors.
www.limerickpost.ie The lowest temperatures will be between 0 and -6 degrees giving a sharp to severe ground frost and ice on untreated surfaces.
www.rte.ie