English verb conjugation
CAN PRESS

Regular verb: press - pressed - pressed

Affirmation

Simple form	V-ing form
I can press you can press he can press we can press you can press they can press	I can be pressing you can be pressing he can be pressing we can be pressing you can be pressing they can be pressing
Perfect	V-ing perfect
I can have pressed you can have pressed he can have pressed we can have pressed you can have pressed they can have pressed	I can have been pressing you can have been pressing he can have been pressing we can have been pressing you can have been pressing they can have been pressing

Negation

Simple form	V-ing form
I can't press you can't press he can't press we can't press you can't press they can't press	I can't be pressing you can't be pressing he can't be pressing we can't be pressing you can't be pressing they can't be pressing
Perfect	V-ing perfect
I can't have pressed you can't have pressed he can't have pressed we can't have pressed you can't have pressed they can't have pressed	I can't have been pressing you can't have been pressing he can't have been pressing we can't have been pressing you can't have been pressing they can't have been pressing

Interrogative form

Simple form	V-ing form
can I press? can you press? can he press? can we press? can you press? can they press?	can I be pressing? can you be pressing? can he be pressing? can we be pressing? can you be pressing? can they be pressing?
Perfect	V-ing perfect
can I have pressed? can you have pressed? can he have pressed? can we have pressed? can you have pressed? can they have pressed?	can I have been pressing? can you have been pressing? can he have been pressing? can we have been pressing? can you have been pressing? can they have been pressing?

Interro-negative form

Simple form	V-ing form
can't I press? can't you press? can't he press? can't we press? can't you press? can't they press?	can't I be pressing? can't you be pressing? can't he be pressing? can't we be pressing? can't you be pressing? can't they be pressing?
Perfect	V-ing perfect
can't I have pressed? can't you have pressed? can't he have pressed? can't we have pressed? can't you have pressed? can't they have pressed?	can't I have been pressing? can't you have been pressing? can't he have been pressing? can't we have been pressing? can't you have been pressing? can't they have been pressing?