I. laugh [lɑːf] 动词 不及物动词
| I | laugh | 
|---|---|
| you | laugh | 
| he/she/it | laughs | 
| we | laugh | 
| you | laugh | 
| they | laugh | 
| I | laughed | 
|---|---|
| you | laughed | 
| he/she/it | laughed | 
| we | laughed | 
| you | laughed | 
| they | laughed | 
| I | have | laughed | 
|---|---|---|
| you | have | laughed | 
| he/she/it | has | laughed | 
| we | have | laughed | 
| you | have | laughed | 
| they | have | laughed | 
| I | had | laughed | 
|---|---|---|
| you | had | laughed | 
| he/she/it | had | laughed | 
| we | had | laughed | 
| you | had | laughed | 
| they | had | laughed | 
