I can prestimulate you can prestimulate he can prestimulate we can prestimulate you can prestimulate they can prestimulate
V-ing form
I can be prestimulating you can be prestimulating he can be prestimulating we can be prestimulating you can be prestimulating they can be prestimulating
Perfect
I can have prestimulated you can have prestimulated he can have prestimulated we can have prestimulated you can have prestimulated they can have prestimulated
V-ing perfect
I can have been prestimulating you can have been prestimulating he can have been prestimulating we can have been prestimulating you can have been prestimulating they can have been prestimulating
Negation
Simple form
I can't prestimulate you can't prestimulate he can't prestimulate we can't prestimulate you can't prestimulate they can't prestimulate
V-ing form
I can't be prestimulating you can't be prestimulating he can't be prestimulating we can't be prestimulating you can't be prestimulating they can't be prestimulating
Perfect
I can't have prestimulated you can't have prestimulated he can't have prestimulated we can't have prestimulated you can't have prestimulated they can't have prestimulated
V-ing perfect
I can't have been prestimulating you can't have been prestimulating he can't have been prestimulating we can't have been prestimulating you can't have been prestimulating they can't have been prestimulating
Interrogative form
Simple form
can I prestimulate? can you prestimulate? can he prestimulate? can we prestimulate? can you prestimulate? can they prestimulate?
V-ing form
can I be prestimulating? can you be prestimulating? can he be prestimulating? can we be prestimulating? can you be prestimulating? can they be prestimulating?
Perfect
can I have prestimulated? can you have prestimulated? can he have prestimulated? can we have prestimulated? can you have prestimulated? can they have prestimulated?
V-ing perfect
can I have been prestimulating? can you have been prestimulating? can he have been prestimulating? can we have been prestimulating? can you have been prestimulating? can they have been prestimulating?
Interro-negative form
Simple form
can't I prestimulate? can't you prestimulate? can't he prestimulate? can't we prestimulate? can't you prestimulate? can't they prestimulate?
V-ing form
can't I be prestimulating? can't you be prestimulating? can't he be prestimulating? can't we be prestimulating? can't you be prestimulating? can't they be prestimulating?
Perfect
can't I have prestimulated? can't you have prestimulated? can't he have prestimulated? can't we have prestimulated? can't you have prestimulated? can't they have prestimulated?
V-ing perfect
can't I have been prestimulating? can't you have been prestimulating? can't he have been prestimulating? can't we have been prestimulating? can't you have been prestimulating? can't they have been prestimulating?