English verb conjugation
CAN SWOP

Regular verb: swop - swopped - swopped

Affirmation

Simple form	V-ing form
I can swop you can swop he can swop we can swop you can swop they can swop	I can be swopping you can be swopping he can be swopping we can be swopping you can be swopping they can be swopping
Perfect	V-ing perfect
I can have swopped you can have swopped he can have swopped we can have swopped you can have swopped they can have swopped	I can have been swopping you can have been swopping he can have been swopping we can have been swopping you can have been swopping they can have been swopping

Negation

Simple form	V-ing form
I can't swop you can't swop he can't swop we can't swop you can't swop they can't swop	I can't be swopping you can't be swopping he can't be swopping we can't be swopping you can't be swopping they can't be swopping
Perfect	V-ing perfect
I can't have swopped you can't have swopped he can't have swopped we can't have swopped you can't have swopped they can't have swopped	I can't have been swopping you can't have been swopping he can't have been swopping we can't have been swopping you can't have been swopping they can't have been swopping

Interrogative form

Simple form	V-ing form
can I swop? can you swop? can he swop? can we swop? can you swop? can they swop?	can I be swopping? can you be swopping? can he be swopping? can we be swopping? can you be swopping? can they be swopping?
Perfect	V-ing perfect
can I have swopped? can you have swopped? can he have swopped? can we have swopped? can you have swopped? can they have swopped?	can I have been swopping? can you have been swopping? can he have been swopping? can we have been swopping? can you have been swopping? can they have been swopping?

Interro-negative form

Simple form	V-ing form
can't I swop? can't you swop? can't he swop? can't we swop? can't you swop? can't they swop?	can't I be swopping? can't you be swopping? can't he be swopping? can't we be swopping? can't you be swopping? can't they be swopping?
Perfect	V-ing perfect
can't I have swopped? can't you have swopped? can't he have swopped? can't we have swopped? can't you have swopped? can't they have swopped?	can't I have been swopping? can't you have been swopping? can't he have been swopping? can't we have been swopping? can't you have been swopping? can't they have been swopping?