English verb conjugation
CAN TISSUE

Regular verb: tissue - tissued - tissued

Affirmation

Simple form	V-ing form
I can tissue you can tissue he can tissue we can tissue you can tissue they can tissue	I can be tissuing you can be tissuing he can be tissuing we can be tissuing you can be tissuing they can be tissuing
Perfect	V-ing perfect
I can have tissued you can have tissued he can have tissued we can have tissued you can have tissued they can have tissued	I can have been tissuing you can have been tissuing he can have been tissuing we can have been tissuing you can have been tissuing they can have been tissuing

Negation

Simple form	V-ing form
I cannot tissue you cannot tissue he cannot tissue we cannot tissue you cannot tissue they cannot tissue	I cannot be tissuing you cannot be tissuing he cannot be tissuing we cannot be tissuing you cannot be tissuing they cannot be tissuing
Perfect	V-ing perfect
I cannot have tissued you cannot have tissued he cannot have tissued we cannot have tissued you cannot have tissued they cannot have tissued	I cannot have been tissuing you cannot have been tissuing he cannot have been tissuing we cannot have been tissuing you cannot have been tissuing they cannot have been tissuing

Interrogative form

Simple form	V-ing form
can I tissue? can you tissue? can he tissue? can we tissue? can you tissue? can they tissue?	can I be tissuing? can you be tissuing? can he be tissuing? can we be tissuing? can you be tissuing? can they be tissuing?
Perfect	V-ing perfect
can I have tissued? can you have tissued? can he have tissued? can we have tissued? can you have tissued? can they have tissued?	can I have been tissuing? can you have been tissuing? can he have been tissuing? can we have been tissuing? can you have been tissuing? can they have been tissuing?

Interro-negative form

Simple form	V-ing form
can I not tissue? can you not tissue? can he not tissue? can we not tissue? can you not tissue? can they not tissue?	can I not be tissuing? can you not be tissuing? can he not be tissuing? can we not be tissuing? can you not be tissuing? can they not be tissuing?
Perfect	V-ing perfect
can I not have tissued? can you not have tissued? can he not have tissued? can we not have tissued? can you not have tissued? can they not have tissued?	can I not have been tissuing? can you not have been tissuing? can he not have been tissuing? can we not have been tissuing? can you not have been tissuing? can they not have been tissuing?