 
  
 I. sick·en [ˈsɪkən] 动词 不及物动词
| I | sicken | 
|---|---|
| you | sicken | 
| he/she/it | sickens | 
| we | sicken | 
| you | sicken | 
| they | sicken | 
| I | sickened | 
|---|---|
| you | sickened | 
| he/she/it | sickened | 
| we | sickened | 
| you | sickened | 
| they | sickened | 
| I | have | sickened | 
|---|---|---|
| you | have | sickened | 
| he/she/it | has | sickened | 
| we | have | sickened | 
| you | have | sickened | 
| they | have | sickened | 
| I | had | sickened | 
|---|---|---|
| you | had | sickened | 
| he/she/it | had | sickened | 
| we | had | sickened | 
| you | had | sickened | 
| they | had | sickened | 
 
  
 