 
  
 I. creak [kri:k] 动词 不及物动词
| I | creak | 
|---|---|
| you | creak | 
| he/she/it | creaks | 
| we | creak | 
| you | creak | 
| they | creak | 
| I | creaked | 
|---|---|
| you | creaked | 
| he/she/it | creaked | 
| we | creaked | 
| you | creaked | 
| they | creaked | 
| I | have | creaked | 
|---|---|---|
| you | have | creaked | 
| he/she/it | has | creaked | 
| we | have | creaked | 
| you | have | creaked | 
| they | have | creaked | 
| I | had | creaked | 
|---|---|---|
| you | had | creaked | 
| he/she/it | had | creaked | 
| we | had | creaked | 
| you | had | creaked | 
| they | had | creaked | 
 
  
 