to sharpen
Regular verb: sharpen - sharpened- sharpened

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I sharpen?
wouldn't you sharpen?
wouldn't he sharpen?
wouldn't we sharpen?
wouldn't you sharpen?
wouldn't they sharpen? 	wouldn't I be sharpening?
wouldn't you be sharpening?
wouldn't he be sharpening?
wouldn't we be sharpening?
wouldn't you be sharpening?
wouldn't they be sharpening? 	wouldn't I have sharpened?
wouldn't you have sharpened?
wouldn't he have sharpened?
wouldn't we have sharpened?
wouldn't you have sharpened?
wouldn't they have sharpened? 	wouldn't I have been sharpening?
wouldn't you have been sharpening?
wouldn't he have been sharpening?
wouldn't we have been sharpening?
wouldn't you have been sharpening?
wouldn't they have been sharpening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sharpen 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
sharpening	sharpened