I. frost [frɒst] 动词 trans
frost-free refrigerator 名词
no-frost refrigerator 名词
| 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 |