I. smooth [smuːθ] 形
II. smooth [smuːθ] 动词 trans, 不及物动词
| I | smooth | 
|---|---|
| you | smooth | 
| he/she/it | smooths | 
| we | smooth | 
| you | smooth | 
| they | smooth | 
| I | smoothed | 
|---|---|
| you | smoothed | 
| he/she/it | smoothed | 
| we | smoothed | 
| you | smoothed | 
| they | smoothed | 
| I | have | smoothed | 
|---|---|---|
| you | have | smoothed | 
| he/she/it | has | smoothed | 
| we | have | smoothed | 
| you | have | smoothed | 
| they | have | smoothed | 
| I | had | smoothed | 
|---|---|---|
| you | had | smoothed | 
| he/she/it | had | smoothed | 
| we | had | smoothed | 
| you | had | smoothed | 
| they | had | smoothed | 
