| I | conserve |
|---|---|
| you | conserve |
| he/she/it | conserves |
| we | conserve |
| you | conserve |
| they | conserve |
| I | conserved |
|---|---|
| you | conserved |
| he/she/it | conserved |
| we | conserved |
| you | conserved |
| they | conserved |
| I | have | conserved |
|---|---|---|
| you | have | conserved |
| he/she/it | has | conserved |
| we | have | conserved |
| you | have | conserved |
| they | have | conserved |
| I | had | conserved |
|---|---|---|
| you | had | conserved |
| he/she/it | had | conserved |
| we | had | conserved |
| you | had | conserved |
| they | had | conserved |
无例句可用
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