I could dissimulate you could dissimulate he could dissimulate we could dissimulate you could dissimulate they could dissimulate
V-ing form
I could be dissimulating you could be dissimulating he could be dissimulating we could be dissimulating you could be dissimulating they could be dissimulating
Perfect
I could have dissimulated you could have dissimulated he could have dissimulated we could have dissimulated you could have dissimulated they could have dissimulated
V-ing perfect
I could have been dissimulating you could have been dissimulating he could have been dissimulating we could have been dissimulating you could have been dissimulating they could have been dissimulating
Negation
Simple form
I could not dissimulate you could not dissimulate he could not dissimulate we could not dissimulate you could not dissimulate they could not dissimulate
V-ing form
I could not be dissimulating you could not be dissimulating he could not be dissimulating we could not be dissimulating you could not be dissimulating they could not be dissimulating
Perfect
I could not have dissimulated you could not have dissimulated he could not have dissimulated we could not have dissimulated you could not have dissimulated they could not have dissimulated
V-ing perfect
I could not have been dissimulating you could not have been dissimulating he could not have been dissimulating we could not have been dissimulating you could not have been dissimulating they could not have been dissimulating
Interrogative form
Simple form
could I dissimulate? could you dissimulate? could he dissimulate? could we dissimulate? could you dissimulate? could they dissimulate?
V-ing form
could I be dissimulating? could you be dissimulating? could he be dissimulating? could we be dissimulating? could you be dissimulating? could they be dissimulating?
Perfect
could I have dissimulated? could you have dissimulated? could he have dissimulated? could we have dissimulated? could you have dissimulated? could they have dissimulated?
V-ing perfect
could I have been dissimulating? could you have been dissimulating? could he have been dissimulating? could we have been dissimulating? could you have been dissimulating? could they have been dissimulating?
Interro-negative form
Simple form
could I not dissimulate? could you not dissimulate? could he not dissimulate? could we not dissimulate? could you not dissimulate? could they not dissimulate?
V-ing form
could I not be dissimulating? could you not be dissimulating? could he not be dissimulating? could we not be dissimulating? could you not be dissimulating? could they not be dissimulating?
Perfect
could I not have dissimulated? could you not have dissimulated? could he not have dissimulated? could we not have dissimulated? could you not have dissimulated? could they not have dissimulated?
V-ing perfect
could I not have been dissimulating? could you not have been dissimulating? could he not have been dissimulating? could we not have been dissimulating? could you not have been dissimulating? could they not have been dissimulating?