| I | sharpen |
| you | sharpen |
| he/she/it | sharpens |
| we | sharpen |
| you | sharpen |
| they | sharpen |
| I | have sharpened |
| you | have sharpened |
| he/she/it | has sharpened |
| we | have sharpened |
| you | have sharpened |
| they | have sharpened |
| I | sharpened |
| you | sharpened |
| he/she/it | sharpened |
| we | sharpened |
| you | sharpened |
| they | sharpened |
| I | had sharpened |
| you | had sharpened |
| he/she/it | had sharpened |
| we | had sharpened |
| you | had sharpened |
| they | had sharpened |
| I | will sharpen |
| you | will sharpen |
| he/she/it | will sharpen |
| we | will sharpen |
| you | will sharpen |
| they | will sharpen |
| I | will have sharpened |
| you | will have sharpened |
| he/she/it | will have sharpened |
| we | will have sharpened |
| you | will have sharpened |
| they | will have sharpened |
| I | am sharpening |
| you | are sharpening |
| he/she/it | is sharpening |
| we | are sharpening |
| you | are sharpening |
| they | are sharpening |
| I | have been sharpening |
| you | have been sharpening |
| he/she/it | has been sharpening |
| we | have been sharpening |
| you | have been sharpening |
| they | have been sharpening |
| I | was sharpening |
| you | were sharpening |
| he/she/it | was sharpening |
| we | were sharpening |
| you | were sharpening |
| they | were sharpening |
| I | had been sharpening |
| you | had been sharpening |
| he/she/it | had been sharpening |
| we | had been sharpening |
| you | had been sharpening |
| they | had been sharpening |
| I | will be sharpening |
| you | will be sharpening |
| he/she/it | will be sharpening |
| we | will be sharpening |
| you | will be sharpening |
| they | will be sharpening |
| I | will have been sharpening |
| you | will have been sharpening |
| he/she/it | will have been sharpening |
| we | will have been sharpening |
| you | will have been sharpening |
| they | will have been sharpening |
| I | would sharpen |
| you | would sharpen |
| he/she/it | would sharpen |
| we | would sharpen |
| you | would sharpen |
| they | would sharpen |
| I | would have sharpened |
| you | would have sharpened |
| he/she/it | would have sharpened |
| we | would have sharpened |
| you | would have sharpened |
| they | would have sharpened |
| I | would be sharpening |
| you | would be sharpening |
| he/she/it | would be sharpening |
| we | would be sharpening |
| you | would be sharpening |
| they | would be sharpening |
| I | would have been sharpening |
| you | would have been sharpening |
| he/she/it | would have been sharpening |
| we | would have been sharpening |
| you | would have been sharpening |
| they | would have been sharpening |
| You | sharpen |
| we | Let's sharpen |
| You | sharpen |