Regular verb: sharpen - sharpened - sharpened
Simple form | V-ing form |
I may sharpen you may sharpen she may sharpen we may sharpen you may sharpen they may sharpen | I may be sharpening you may be sharpening she may be sharpening we may be sharpening you may be sharpening they may be sharpening |
Perfect | V-ing perfect |
I may have sharpened you may have sharpened she may have sharpened we may have sharpened you may have sharpened they may have sharpened | I may have been sharpening you may have been sharpening she may have been sharpening we may have been sharpening you may have been sharpening they may have been sharpening |
Simple form | V-ing form |
I may not sharpen you may not sharpen she may not sharpen we may not sharpen you may not sharpen they may not sharpen | I may not be sharpening you may not be sharpening she may not be sharpening we may not be sharpening you may not be sharpening they may not be sharpening |
Perfect | V-ing perfect |
I may not have sharpened you may not have sharpened she may not have sharpened we may not have sharpened you may not have sharpened they may not have sharpened | I may not have been sharpening you may not have been sharpening she may not have been sharpening we may not have been sharpening you may not have been sharpening they may not have been sharpening |
Simple form | V-ing form |
may I sharpen? may you sharpen? may she sharpen? may we sharpen? may you sharpen? may they sharpen? | may I be sharpening? may you be sharpening? may she be sharpening? may we be sharpening? may you be sharpening? may they be sharpening? |
Perfect | V-ing perfect |
may I have sharpened? may you have sharpened? may she have sharpened? may we have sharpened? may you have sharpened? may they have sharpened? | may I have been sharpening? may you have been sharpening? may she have been sharpening? may we have been sharpening? may you have been sharpening? may they have been sharpening? |
Simple form | V-ing form |
may I not sharpen? may you not sharpen? may she not sharpen? may we not sharpen? may you not sharpen? may they not sharpen? | may I not be sharpening? may you not be sharpening? may she not be sharpening? may we not be sharpening? may you not be sharpening? may they not be sharpening? |
Perfect | V-ing perfect |
may I not have sharpened? may you not have sharpened? may she not have sharpened? may we not have sharpened? may you not have sharpened? may they not have sharpened? | may I not have been sharpening? may you not have been sharpening? may she not have been sharpening? may we not have been sharpening? may you not have been sharpening? may they not have been sharpening? |