| I | discern | 
|---|---|
| you | discern | 
| he/she/it | discerns | 
| we | discern | 
| you | discern | 
| they | discern | 
| I | discerned | 
|---|---|
| you | discerned | 
| he/she/it | discerned | 
| we | discerned | 
| you | discerned | 
| they | discerned | 
| I | have | discerned | 
|---|---|---|
| you | have | discerned | 
| he/she/it | has | discerned | 
| we | have | discerned | 
| you | have | discerned | 
| they | have | discerned | 
| I | had | discerned | 
|---|---|---|
| you | had | discerned | 
| he/she/it | had | discerned | 
| we | had | discerned | 
| you | had | discerned | 
| they | had | discerned | 
无例句可用
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