I. puff [pʌf] 动词 trans
II. puff [pʌf] 动词 不及物动词
| I | puff | 
|---|---|
| you | puff | 
| he/she/it | puffs | 
| we | puff | 
| you | puff | 
| they | puff | 
| I | puffed | 
|---|---|
| you | puffed | 
| he/she/it | puffed | 
| we | puffed | 
| you | puffed | 
| they | puffed | 
| I | have | puffed | 
|---|---|---|
| you | have | puffed | 
| he/she/it | has | puffed | 
| we | have | puffed | 
| you | have | puffed | 
| they | have | puffed | 
| I | had | puffed | 
|---|---|---|
| you | had | puffed | 
| he/she/it | had | puffed | 
| we | had | puffed | 
| you | had | puffed | 
| they | had | puffed | 
