I. pain [peın] 名词
| I | pain | 
|---|---|
| you | pain | 
| he/she/it | pains | 
| we | pain | 
| you | pain | 
| they | pain | 
| I | pained | 
|---|---|
| you | pained | 
| he/she/it | pained | 
| we | pained | 
| you | pained | 
| they | pained | 
| I | have | pained | 
|---|---|---|
| you | have | pained | 
| he/she/it | has | pained | 
| we | have | pained | 
| you | have | pained | 
| they | have | pained | 
| I | had | pained | 
|---|---|---|
| you | had | pained | 
| he/she/it | had | pained | 
| we | had | pained | 
| you | had | pained | 
| they | had | pained |