to sharpen
Regular verb: sharpen - sharpened- sharpened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't sharpen
you don't sharpen
she doesn't sharpen
we don't sharpen
you don't sharpen
they don't sharpen 	I'mnot sharpening
youaren't sharpening
sheisn't sharpening
wearen't sharpening
youaren't sharpening
theyaren't sharpening	I didn't sharpen
you didn't sharpen
she didn't sharpen
we didn't sharpen
you didn't sharpen
they didn't sharpen 	Iwasn't sharpening
youweren't sharpening
shewasn't sharpening
weweren't sharpening
youweren't sharpening
theyweren't sharpening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't sharpened
you haven't sharpened
she hasn't sharpened
we haven't sharpened
you haven't sharpened
they haven't sharpened	I haven't  been sharpening
you haven't  been sharpening
she hasn't  been sharpening
we haven't  been sharpening
you haven't  been sharpening
they haven't  been sharpening	I hadn't sharpened
you hadn't sharpened
she hadn't sharpened
we hadn't sharpened
you hadn't sharpened
they hadn't sharpened	I hadn't been sharpening
you hadn't been sharpening
she hadn't been sharpening
we hadn't been sharpening
you hadn't been sharpening
they hadn't been sharpening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't sharpen
you won't sharpen
she won't sharpen
we won't sharpen
you won't sharpen
they won't sharpen 	I won't be sharpening
you won't be sharpening
she won't be sharpening
we won't be sharpening
you won't be sharpening
they won't be sharpening	I won't have sharpened
you won't have sharpened
she won't have sharpened
we won't have sharpened
you won't have sharpened
they won't have sharpened	I won't have been sharpening
you won't have been sharpening
she 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 	Present continuous 	Past 	Past continuous 	
I wouldn't sharpen
you wouldn't sharpen
she wouldn't sharpen
we wouldn't sharpen
you wouldn't sharpen
they wouldn't sharpen 	I wouldn't be sharpening
you wouldn't be sharpening
she wouldn't be sharpening
we wouldn't be sharpening
you wouldn't be sharpening
they wouldn't be sharpening	I wouldn't have sharpened
you wouldn't have sharpened
she wouldn't have sharpened
we wouldn't have sharpened
you wouldn't have sharpened
they wouldn't have sharpened	I wouldn't have been sharpening
you wouldn't have been sharpening
she wouldn't have been sharpening
we wouldn't have been sharpening
you wouldn't have been sharpening
they wouldn't have been sharpening	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sharpen 	 	do not sharpen
Let's not sharpen
do not sharpen 	 	

Participle 	
Present 	Past 	 	 	
sharpening	sharpened