| I | niche |
|---|---|
| you | niche |
| he/she/it | niches |
| we | niche |
| you | niche |
| they | niche |
| I | niched |
|---|---|
| you | niched |
| he/she/it | niched |
| we | niched |
| you | niched |
| they | niched |
| I | have | niched |
|---|---|---|
| you | have | niched |
| he/she/it | has | niched |
| we | have | niched |
| you | have | niched |
| they | have | niched |
| I | had | niched |
|---|---|---|
| you | had | niched |
| he/she/it | had | niched |
| we | had | niched |
| you | had | niched |
| they | had | niched |
无例句可用
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