I. firm2 [fɜːm] 形
| I | firm | 
|---|---|
| you | firm | 
| he/she/it | firms | 
| we | firm | 
| you | firm | 
| they | firm | 
| I | firmed | 
|---|---|
| you | firmed | 
| he/she/it | firmed | 
| we | firmed | 
| you | firmed | 
| they | firmed | 
| I | have | firmed | 
|---|---|---|
| you | have | firmed | 
| he/she/it | has | firmed | 
| we | have | firmed | 
| you | have | firmed | 
| they | have | firmed | 
| I | had | firmed | 
|---|---|---|
| you | had | firmed | 
| he/she/it | had | firmed | 
| we | had | firmed | 
| you | had | firmed | 
| they | had | firmed |