I can photocoagulate you can photocoagulate she can photocoagulate we can photocoagulate you can photocoagulate they can photocoagulate
V-ing form
I can be photocoagulating you can be photocoagulating she can be photocoagulating we can be photocoagulating you can be photocoagulating they can be photocoagulating
Perfect
I can have photocoagulated you can have photocoagulated she can have photocoagulated we can have photocoagulated you can have photocoagulated they can have photocoagulated
V-ing perfect
I can have been photocoagulating you can have been photocoagulating she can have been photocoagulating we can have been photocoagulating you can have been photocoagulating they can have been photocoagulating
Negation
Simple form
I cannot photocoagulate you cannot photocoagulate she cannot photocoagulate we cannot photocoagulate you cannot photocoagulate they cannot photocoagulate
V-ing form
I cannot be photocoagulating you cannot be photocoagulating she cannot be photocoagulating we cannot be photocoagulating you cannot be photocoagulating they cannot be photocoagulating
Perfect
I cannot have photocoagulated you cannot have photocoagulated she cannot have photocoagulated we cannot have photocoagulated you cannot have photocoagulated they cannot have photocoagulated
V-ing perfect
I cannot have been photocoagulating you cannot have been photocoagulating she cannot have been photocoagulating we cannot have been photocoagulating you cannot have been photocoagulating they cannot have been photocoagulating
Interrogative form
Simple form
can I photocoagulate? can you photocoagulate? can she photocoagulate? can we photocoagulate? can you photocoagulate? can they photocoagulate?
V-ing form
can I be photocoagulating? can you be photocoagulating? can she be photocoagulating? can we be photocoagulating? can you be photocoagulating? can they be photocoagulating?
Perfect
can I have photocoagulated? can you have photocoagulated? can she have photocoagulated? can we have photocoagulated? can you have photocoagulated? can they have photocoagulated?
V-ing perfect
can I have been photocoagulating? can you have been photocoagulating? can she have been photocoagulating? can we have been photocoagulating? can you have been photocoagulating? can they have been photocoagulating?
Interro-negative form
Simple form
can I not photocoagulate? can you not photocoagulate? can she not photocoagulate? can we not photocoagulate? can you not photocoagulate? can they not photocoagulate?
V-ing form
can I not be photocoagulating? can you not be photocoagulating? can she not be photocoagulating? can we not be photocoagulating? can you not be photocoagulating? can they not be photocoagulating?
Perfect
can I not have photocoagulated? can you not have photocoagulated? can she not have photocoagulated? can we not have photocoagulated? can you not have photocoagulated? can they not have photocoagulated?
V-ing perfect
can I not have been photocoagulating? can you not have been photocoagulating? can she not have been photocoagulating? can we not have been photocoagulating? can you not have been photocoagulating? can they not have been photocoagulating?