English verb conjugation
COULD PHOTOCOAGULATE

Regular verb: photocoagulate - photocoagulated - photocoagulated

Affirmation

Simple form	V-ing form
I could photocoagulate you could photocoagulate she could photocoagulate we could photocoagulate you could photocoagulate they could photocoagulate	I could be photocoagulating you could be photocoagulating she could be photocoagulating we could be photocoagulating you could be photocoagulating they could be photocoagulating
Perfect	V-ing perfect
I could have photocoagulated you could have photocoagulated she could have photocoagulated we could have photocoagulated you could have photocoagulated they could have photocoagulated	I could have been photocoagulating you could have been photocoagulating she could have been photocoagulating we could have been photocoagulating you could have been photocoagulating they could have been photocoagulating

Negation

Simple form	V-ing form
I couldn't photocoagulate you couldn't photocoagulate she couldn't photocoagulate we couldn't photocoagulate you couldn't photocoagulate they couldn't photocoagulate	I couldn't be photocoagulating you couldn't be photocoagulating she couldn't be photocoagulating we couldn't be photocoagulating you couldn't be photocoagulating they couldn't be photocoagulating
Perfect	V-ing perfect
I couldn't have photocoagulated you couldn't have photocoagulated she couldn't have photocoagulated we couldn't have photocoagulated you couldn't have photocoagulated they couldn't have photocoagulated	I couldn't have been photocoagulating you couldn't have been photocoagulating she couldn't have been photocoagulating we couldn't have been photocoagulating you couldn't have been photocoagulating they couldn't have been photocoagulating

Interrogative form

Simple form	V-ing form
could I photocoagulate? could you photocoagulate? could she photocoagulate? could we photocoagulate? could you photocoagulate? could they photocoagulate?	could I be photocoagulating? could you be photocoagulating? could she be photocoagulating? could we be photocoagulating? could you be photocoagulating? could they be photocoagulating?
Perfect	V-ing perfect
could I have photocoagulated? could you have photocoagulated? could she have photocoagulated? could we have photocoagulated? could you have photocoagulated? could they have photocoagulated?	could I have been photocoagulating? could you have been photocoagulating? could she have been photocoagulating? could we have been photocoagulating? could you have been photocoagulating? could they have been photocoagulating?

Interro-negative form

Simple form	V-ing form
couldn't I photocoagulate? couldn't you photocoagulate? couldn't she photocoagulate? couldn't we photocoagulate? couldn't you photocoagulate? couldn't they photocoagulate?	couldn't I be photocoagulating? couldn't you be photocoagulating? couldn't she be photocoagulating? couldn't we be photocoagulating? couldn't you be photocoagulating? couldn't they be photocoagulating?
Perfect	V-ing perfect
couldn't I have photocoagulated? couldn't you have photocoagulated? couldn't she have photocoagulated? couldn't we have photocoagulated? couldn't you have photocoagulated? couldn't they have photocoagulated?	couldn't I have been photocoagulating? couldn't you have been photocoagulating? couldn't she have been photocoagulating? couldn't we have been photocoagulating? couldn't you have been photocoagulating? couldn't they have been photocoagulating?