I don't sharpen you don't sharpen he doesn't sharpen we don't sharpen you don't sharpen they don't sharpen
Present continuous
I'm not sharpening you aren't sharpening he isn't sharpening we aren't sharpening you aren't sharpening they aren't sharpening
Preterite
I didn't sharpen you didn't sharpen he didn't sharpen we didn't sharpen you didn't sharpen they didn't sharpen
Preterite continuous
I wasn't sharpening you weren't sharpening he wasn't sharpening we weren't sharpening you weren't sharpening they weren't sharpening
Present perfect
I haven't sharpened you haven't sharpened he hasn't sharpened we haven't sharpened you haven't sharpened they haven't sharpened
Present perfect continuous
I haven't been sharpening you haven't been sharpening he hasn't been sharpening we haven't been sharpening you haven't been sharpening they haven't been sharpening
Pluperfect
I hadn't sharpened you hadn't sharpened he hadn't sharpened we hadn't sharpened you hadn't sharpened they hadn't sharpened
Pluperfect continuous
I hadn't been sharpening you hadn't been sharpening he hadn't been sharpening we hadn't been sharpening you hadn't been sharpening they hadn't been sharpening
Future
I won't sharpen you won't sharpen he won't sharpen we won't sharpen you won't sharpen they won't sharpen
Future continuous
I won't be sharpening you won't be sharpening he won't be sharpening we won't be sharpening you won't be sharpening they won't be sharpening
Future perfect
I won't have sharpened you won't have sharpened he won't have sharpened we won't have sharpened you won't have sharpened they won't have sharpened
Future perfect continuous
I won't have been sharpening you won't have been sharpening he won't have been sharpening we won't have been sharpening you won't have been sharpening they won't have been sharpening
Conditional
Present
I wouldn't sharpen you wouldn't sharpen he wouldn't sharpen we wouldn't sharpen you wouldn't sharpen they wouldn't sharpen
Present continuous
I wouldn't be sharpening you wouldn't be sharpening he wouldn't be sharpening we wouldn't be sharpening you wouldn't be sharpening they wouldn't be sharpening
Past
I wouldn't have sharpened you wouldn't have sharpened he wouldn't have sharpened we wouldn't have sharpened you wouldn't have sharpened they wouldn't have sharpened
Past continuous
I wouldn't have been sharpening you wouldn't have been sharpening he wouldn't have been sharpening we wouldn't have been sharpening you wouldn't have been sharpening they wouldn't have been sharpening