I. base1 [beıs] 名词
| I | base | 
|---|---|
| you | base | 
| he/she/it | bases | 
| we | base | 
| you | base | 
| they | base | 
| I | based | 
|---|---|
| you | based | 
| he/she/it | based | 
| we | based | 
| you | based | 
| they | based | 
| I | have | based | 
|---|---|---|
| you | have | based | 
| he/she/it | has | based | 
| we | have | based | 
| you | have | based | 
| they | have | based | 
| I | had | based | 
|---|---|---|
| you | had | based | 
| he/she/it | had | based | 
| we | had | based | 
| you | had | based | 
| they | had | based | 
