| I | smarten |
|---|---|
| you | smarten |
| he/she/it | smartens |
| we | smarten |
| you | smarten |
| they | smarten |
| I | smartened |
|---|---|
| you | smartened |
| he/she/it | smartened |
| we | smartened |
| you | smartened |
| they | smartened |
| I | have | smartened |
|---|---|---|
| you | have | smartened |
| he/she/it | has | smartened |
| we | have | smartened |
| you | have | smartened |
| they | have | smartened |
| I | had | smartened |
|---|---|---|
| you | had | smartened |
| he/she/it | had | smartened |
| we | had | smartened |
| you | had | smartened |
| they | had | smartened |
无例句可用
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