to sharpen
Regular verb: sharpen - sharpened- sharpened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I do not sharpen
you do not sharpen
he doesnot sharpen
we do not sharpen
you do not sharpen
they do not sharpen 	Iamnot sharpening
youarenot sharpening
heisnot sharpening
wearenot sharpening
youarenot sharpening
theyarenot sharpening	I did not sharpen
you did not sharpen
he did not sharpen
we did not sharpen
you did not sharpen
they did not sharpen 	Iwasnot sharpening
youwerenot sharpening
hewasnot sharpening
wewerenot sharpening
youwerenot sharpening
theywerenot sharpening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have not sharpened
you have not sharpened
hehasnot sharpened
we have not sharpened
you have not sharpened
they have not sharpened	I have not  been sharpening
you have not  been sharpening
hehasnot  been sharpening
we have not  been sharpening
you have not  been sharpening
they have not  been sharpening	I had not sharpened
you had not sharpened
he had not sharpened
we had not sharpened
you had not sharpened
they had not sharpened	I had not been sharpening
you had not been sharpening
he had not been sharpening
we had not been sharpening
you had not been sharpening
they had not been sharpening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will not sharpen
you will not sharpen
he will not sharpen
we will not sharpen
you will not sharpen
they will not sharpen 	I will not be sharpening
you will not be sharpening
he will not be sharpening
we will not be sharpening
you will not be sharpening
they will not be sharpening	I will not have sharpened
you will not have sharpened
he will not have sharpened
we will not have sharpened
you will not have sharpened
they will not have sharpened	I will not have been sharpening
you will not have been sharpening
he will not have been sharpening
we will not have been sharpening
you will not have been sharpening
they will not have been sharpening	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would not sharpen
you would not sharpen
he would not sharpen
we would not sharpen
you would not sharpen
they would not sharpen 	I would not be sharpening
you would not be sharpening
he would not be sharpening
we would not be sharpening
you would not be sharpening
they would not be sharpening	I would not have sharpened
you would not have sharpened
he would not have sharpened
we would not have sharpened
you would not have sharpened
they would not have sharpened	I would not have been sharpening
you would not have been sharpening
he would not have been sharpening
we would not have been sharpening
you would not have been sharpening
they would not have been sharpening	

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

Participle 	
Present 	Past 	 	 	
sharpening	sharpened