I can scissor you can scissor he can scissor we can scissor you can scissor they can scissor
V-ing form
I can be scissoring you can be scissoring he can be scissoring we can be scissoring you can be scissoring they can be scissoring
Perfect
I can have scissored you can have scissored he can have scissored we can have scissored you can have scissored they can have scissored
V-ing perfect
I can have been scissoring you can have been scissoring he can have been scissoring we can have been scissoring you can have been scissoring they can have been scissoring
Negation
Simple form
I cannot scissor you cannot scissor he cannot scissor we cannot scissor you cannot scissor they cannot scissor
V-ing form
I cannot be scissoring you cannot be scissoring he cannot be scissoring we cannot be scissoring you cannot be scissoring they cannot be scissoring
Perfect
I cannot have scissored you cannot have scissored he cannot have scissored we cannot have scissored you cannot have scissored they cannot have scissored
V-ing perfect
I cannot have been scissoring you cannot have been scissoring he cannot have been scissoring we cannot have been scissoring you cannot have been scissoring they cannot have been scissoring
Interrogative form
Simple form
can I scissor? can you scissor? can he scissor? can we scissor? can you scissor? can they scissor?
V-ing form
can I be scissoring? can you be scissoring? can he be scissoring? can we be scissoring? can you be scissoring? can they be scissoring?
Perfect
can I have scissored? can you have scissored? can he have scissored? can we have scissored? can you have scissored? can they have scissored?
V-ing perfect
can I have been scissoring? can you have been scissoring? can he have been scissoring? can we have been scissoring? can you have been scissoring? can they have been scissoring?
Interro-negative form
Simple form
can I not scissor? can you not scissor? can he not scissor? can we not scissor? can you not scissor? can they not scissor?
V-ing form
can I not be scissoring? can you not be scissoring? can he not be scissoring? can we not be scissoring? can you not be scissoring? can they not be scissoring?
Perfect
can I not have scissored? can you not have scissored? can he not have scissored? can we not have scissored? can you not have scissored? can they not have scissored?
V-ing perfect
can I not have been scissoring? can you not have been scissoring? can he not have been scissoring? can we not have been scissoring? can you not have been scissoring? can they not have been scissoring?