I. sharp [ʃɑːp] 形
| I | sharpen |
|---|---|
| you | sharpen |
| he/she/it | sharpens |
| we | sharpen |
| you | sharpen |
| they | sharpen |
| I | sharpened |
|---|---|
| you | sharpened |
| he/she/it | sharpened |
| we | sharpened |
| you | sharpened |
| they | sharpened |
| I | have | sharpened |
|---|---|---|
| you | have | sharpened |
| he/she/it | has | sharpened |
| we | have | sharpened |
| you | have | sharpened |
| they | have | sharpened |
| I | had | sharpened |
|---|---|---|
| you | had | sharpened |
| he/she/it | had | sharpened |
| we | had | sharpened |
| you | had | sharpened |
| they | had | sharpened |