II. duck <duck(s)> [dʌk] 动词 trans, 不及物动词
| I | duck | 
|---|---|
| you | duck | 
| he/she/it | ducks | 
| we | duck | 
| you | duck | 
| they | duck | 
| I | ducked | 
|---|---|
| you | ducked | 
| he/she/it | ducked | 
| we | ducked | 
| you | ducked | 
| they | ducked | 
| I | have | ducked | 
|---|---|---|
| you | have | ducked | 
| he/she/it | has | ducked | 
| we | have | ducked | 
| you | have | ducked | 
| they | have | ducked | 
| I | had | ducked | 
|---|---|---|
| you | had | ducked | 
| he/she/it | had | ducked | 
| we | had | ducked | 
| you | had | ducked | 
| they | had | ducked | 
