English verb conjugation
COULD SUTURE

Regular verb: suture - sutured - sutured

Affirmation

Simple form	V-ing form
I could suture you could suture he could suture we could suture you could suture they could suture	I could be suturing you could be suturing he could be suturing we could be suturing you could be suturing they could be suturing
Perfect	V-ing perfect
I could have sutured you could have sutured he could have sutured we could have sutured you could have sutured they could have sutured	I could have been suturing you could have been suturing he could have been suturing we could have been suturing you could have been suturing they could have been suturing

Negation

Simple form	V-ing form
I could not suture you could not suture he could not suture we could not suture you could not suture they could not suture	I could not be suturing you could not be suturing he could not be suturing we could not be suturing you could not be suturing they could not be suturing
Perfect	V-ing perfect
I could not have sutured you could not have sutured he could not have sutured we could not have sutured you could not have sutured they could not have sutured	I could not have been suturing you could not have been suturing he could not have been suturing we could not have been suturing you could not have been suturing they could not have been suturing

Interrogative form

Simple form	V-ing form
could I suture? could you suture? could he suture? could we suture? could you suture? could they suture?	could I be suturing? could you be suturing? could he be suturing? could we be suturing? could you be suturing? could they be suturing?
Perfect	V-ing perfect
could I have sutured? could you have sutured? could he have sutured? could we have sutured? could you have sutured? could they have sutured?	could I have been suturing? could you have been suturing? could he have been suturing? could we have been suturing? could you have been suturing? could they have been suturing?

Interro-negative form

Simple form	V-ing form
could I not suture? could you not suture? could he not suture? could we not suture? could you not suture? could they not suture?	could I not be suturing? could you not be suturing? could he not be suturing? could we not be suturing? could you not be suturing? could they not be suturing?
Perfect	V-ing perfect
could I not have sutured? could you not have sutured? could he not have sutured? could we not have sutured? could you not have sutured? could they not have sutured?	could I not have been suturing? could you not have been suturing? could he not have been suturing? could we not have been suturing? could you not have been suturing? could they not have been suturing?