English verb conjugation
CAN STROP

Regular verb: strop - stropped - stropped

Affirmation

Simple form	V-ing form
I can strop you can strop he can strop we can strop you can strop they can strop	I can be stropping you can be stropping he can be stropping we can be stropping you can be stropping they can be stropping
Perfect	V-ing perfect
I can have stropped you can have stropped he can have stropped we can have stropped you can have stropped they can have stropped	I can have been stropping you can have been stropping he can have been stropping we can have been stropping you can have been stropping they can have been stropping

Negation

Simple form	V-ing form
I cannot strop you cannot strop he cannot strop we cannot strop you cannot strop they cannot strop	I cannot be stropping you cannot be stropping he cannot be stropping we cannot be stropping you cannot be stropping they cannot be stropping
Perfect	V-ing perfect
I cannot have stropped you cannot have stropped he cannot have stropped we cannot have stropped you cannot have stropped they cannot have stropped	I cannot have been stropping you cannot have been stropping he cannot have been stropping we cannot have been stropping you cannot have been stropping they cannot have been stropping

Interrogative form

Simple form	V-ing form
can I strop? can you strop? can he strop? can we strop? can you strop? can they strop?	can I be stropping? can you be stropping? can he be stropping? can we be stropping? can you be stropping? can they be stropping?
Perfect	V-ing perfect
can I have stropped? can you have stropped? can he have stropped? can we have stropped? can you have stropped? can they have stropped?	can I have been stropping? can you have been stropping? can he have been stropping? can we have been stropping? can you have been stropping? can they have been stropping?

Interro-negative form

Simple form	V-ing form
can I not strop? can you not strop? can he not strop? can we not strop? can you not strop? can they not strop?	can I not be stropping? can you not be stropping? can he not be stropping? can we not be stropping? can you not be stropping? can they not be stropping?
Perfect	V-ing perfect
can I not have stropped? can you not have stropped? can he not have stropped? can we not have stropped? can you not have stropped? can they not have stropped?	can I not have been stropping? can you not have been stropping? can he not have been stropping? can we not have been stropping? can you not have been stropping? can they not have been stropping?