will smoothen
Regular verb: smoothen - smoothened- smoothened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll smoothen
you'll smoothen
she'll smoothen
we'll smoothen
you'll smoothen
they'll smoothen 	I'll be smoothening
you'll be smoothening
she'll be smoothening
we'll be smoothening
you'll be smoothening
they'll be smoothening	I'll have smoothened
you'll have smoothened
she'll have smoothened
we'll have smoothened
you'll have smoothened
they'll have smoothened	I'll have been smoothening
you'll have been smoothening
she'll have been smoothening
we'll have been smoothening
you'll have been smoothening
they'll have been smoothening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't smoothen
you won't smoothen
she won't smoothen
we won't smoothen
you won't smoothen
they won't smoothen 	I won't be smoothening
you won't be smoothening
she won't be smoothening
we won't be smoothening
you won't be smoothening
they won't be smoothening	I won't have smoothened
you won't have smoothened
she won't have smoothened
we won't have smoothened
you won't have smoothened
they won't have smoothened	I won't have been smoothening
you won't have been smoothening
she won't have been smoothening
we won't have been smoothening
you won't have been smoothening
they won't have been smoothening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I smoothen?
will you smoothen?
will she smoothen?
will we smoothen?
will you smoothen?
will they smoothen? 	will I be smoothening?
will you be smoothening?
will she be smoothening?
will we be smoothening?
will you be smoothening?
will they be smoothening? 	will I have smoothened?
will you have smoothened?
will she have smoothened?
will we have smoothened?
will you have smoothened?
will they have smoothened? 	will I have been smoothening?
will you have been smoothening?
will she have been smoothening?
will we have been smoothening?
will you have been smoothening?
will they have been smoothening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I smoothen?
won't you smoothen?
won't she smoothen?
won't we smoothen?
won't you smoothen?
won't they smoothen? 	won't I be smoothening?
won't you be smoothening?
won't she be smoothening?
won't we be smoothening?
won't you be smoothening?
won't they be smoothening? 	won't I have smoothened?
won't you have smoothened?
won't she have smoothened?
won't we have smoothened?
won't you have smoothened?
won't they have smoothened? 	won't I have been smoothening?
won't you have been smoothening?
won't she have been smoothening?
won't we have been smoothening?
won't you have been smoothening?
won't they have been smoothening?