English verb conjugation
SHALL SMOOTHEN

Regular verb: smoothen - smoothened - smoothened

Affirmation

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

Negation

Simple form	V-ing form
I shall not smoothen you shall not smoothen she shall not smoothen we shall not smoothen you shall not smoothen they shall not smoothen	I shall not be smoothening you shall not be smoothening she shall not be smoothening we shall not be smoothening you shall not be smoothening they shall not be smoothening
Perfect	V-ing perfect
I shall not have smoothened you shall not have smoothened she shall not have smoothened we shall not have smoothened you shall not have smoothened they shall not have smoothened	I shall not have been smoothening you shall not have been smoothening she shall not have been smoothening we shall not have been smoothening you shall not have been smoothening they shall not have been smoothening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
shall I not smoothen? shall you not smoothen? shall she not smoothen? shall we not smoothen? shall you not smoothen? shall they not smoothen?	shall I not be smoothening? shall you not be smoothening? shall she not be smoothening? shall we not be smoothening? shall you not be smoothening? shall they not be smoothening?
Perfect	V-ing perfect
shall I not have smoothened? shall you not have smoothened? shall she not have smoothened? shall we not have smoothened? shall you not have smoothened? shall they not have smoothened?	shall I not have been smoothening? shall you not have been smoothening? shall she not have been smoothening? shall we not have been smoothening? shall you not have been smoothening? shall they not have been smoothening?