English verb conjugation
CAN MOP

Regular verb: mop - mopped - mopped

Affirmation

Simple form	V-ing form
I can mop you can mop he can mop we can mop you can mop they can mop	I can be mopping you can be mopping he can be mopping we can be mopping you can be mopping they can be mopping
Perfect	V-ing perfect
I can have mopped you can have mopped he can have mopped we can have mopped you can have mopped they can have mopped	I can have been mopping you can have been mopping he can have been mopping we can have been mopping you can have been mopping they can have been mopping

Negation

Simple form	V-ing form
I can't mop you can't mop he can't mop we can't mop you can't mop they can't mop	I can't be mopping you can't be mopping he can't be mopping we can't be mopping you can't be mopping they can't be mopping
Perfect	V-ing perfect
I can't have mopped you can't have mopped he can't have mopped we can't have mopped you can't have mopped they can't have mopped	I can't have been mopping you can't have been mopping he can't have been mopping we can't have been mopping you can't have been mopping they can't have been mopping

Interrogative form

Simple form	V-ing form
can I mop? can you mop? can he mop? can we mop? can you mop? can they mop?	can I be mopping? can you be mopping? can he be mopping? can we be mopping? can you be mopping? can they be mopping?
Perfect	V-ing perfect
can I have mopped? can you have mopped? can he have mopped? can we have mopped? can you have mopped? can they have mopped?	can I have been mopping? can you have been mopping? can he have been mopping? can we have been mopping? can you have been mopping? can they have been mopping?

Interro-negative form

Simple form	V-ing form
can't I mop? can't you mop? can't he mop? can't we mop? can't you mop? can't they mop?	can't I be mopping? can't you be mopping? can't he be mopping? can't we be mopping? can't you be mopping? can't they be mopping?
Perfect	V-ing perfect
can't I have mopped? can't you have mopped? can't he have mopped? can't we have mopped? can't you have mopped? can't they have mopped?	can't I have been mopping? can't you have been mopping? can't he have been mopping? can't we have been mopping? can't you have been mopping? can't they have been mopping?