English verb conjugation
SHALL STRAIGHTEN

Regular verb: straighten - straightened - straightened

Affirmation

Simple form	V-ing form
I shall straighten you shall straighten he shall straighten we shall straighten you shall straighten they shall straighten	I shall be straightening you shall be straightening he shall be straightening we shall be straightening you shall be straightening they shall be straightening
Perfect	V-ing perfect
I shall have straightened you shall have straightened he shall have straightened we shall have straightened you shall have straightened they shall have straightened	I shall have been straightening you shall have been straightening he shall have been straightening we shall have been straightening you shall have been straightening they shall have been straightening

Negation

Simple form	V-ing form
I shall not straighten you shall not straighten he shall not straighten we shall not straighten you shall not straighten they shall not straighten	I shall not be straightening you shall not be straightening he shall not be straightening we shall not be straightening you shall not be straightening they shall not be straightening
Perfect	V-ing perfect
I shall not have straightened you shall not have straightened he shall not have straightened we shall not have straightened you shall not have straightened they shall not have straightened	I shall not have been straightening you shall not have been straightening he shall not have been straightening we shall not have been straightening you shall not have been straightening they shall not have been straightening

Interrogative form

Simple form	V-ing form
shall I straighten? shall you straighten? shall he straighten? shall we straighten? shall you straighten? shall they straighten?	shall I be straightening? shall you be straightening? shall he be straightening? shall we be straightening? shall you be straightening? shall they be straightening?
Perfect	V-ing perfect
shall I have straightened? shall you have straightened? shall he have straightened? shall we have straightened? shall you have straightened? shall they have straightened?	shall I have been straightening? shall you have been straightening? shall he have been straightening? shall we have been straightening? shall you have been straightening? shall they have been straightening?

Interro-negative form

Simple form	V-ing form
shall I not straighten? shall you not straighten? shall he not straighten? shall we not straighten? shall you not straighten? shall they not straighten?	shall I not be straightening? shall you not be straightening? shall he not be straightening? shall we not be straightening? shall you not be straightening? shall they not be straightening?
Perfect	V-ing perfect
shall I not have straightened? shall you not have straightened? shall he not have straightened? shall we not have straightened? shall you not have straightened? shall they not have straightened?	shall I not have been straightening? shall you not have been straightening? shall he not have been straightening? shall we not have been straightening? shall you not have been straightening? shall they not have been straightening?