English verb conjugation
CAN LOP

Regular verb: lop - lopped - lopped

Affirmation

Simple form	V-ing form
I can lop you can lop he can lop we can lop you can lop they can lop	I can be lopping you can be lopping he can be lopping we can be lopping you can be lopping they can be lopping
Perfect	V-ing perfect
I can have lopped you can have lopped he can have lopped we can have lopped you can have lopped they can have lopped	I can have been lopping you can have been lopping he can have been lopping we can have been lopping you can have been lopping they can have been lopping

Negation

Simple form	V-ing form
I can't lop you can't lop he can't lop we can't lop you can't lop they can't lop	I can't be lopping you can't be lopping he can't be lopping we can't be lopping you can't be lopping they can't be lopping
Perfect	V-ing perfect
I can't have lopped you can't have lopped he can't have lopped we can't have lopped you can't have lopped they can't have lopped	I can't have been lopping you can't have been lopping he can't have been lopping we can't have been lopping you can't have been lopping they can't have been lopping

Interrogative form

Simple form	V-ing form
can I lop? can you lop? can he lop? can we lop? can you lop? can they lop?	can I be lopping? can you be lopping? can he be lopping? can we be lopping? can you be lopping? can they be lopping?
Perfect	V-ing perfect
can I have lopped? can you have lopped? can he have lopped? can we have lopped? can you have lopped? can they have lopped?	can I have been lopping? can you have been lopping? can he have been lopping? can we have been lopping? can you have been lopping? can they have been lopping?

Interro-negative form

Simple form	V-ing form
can't I lop? can't you lop? can't he lop? can't we lop? can't you lop? can't they lop?	can't I be lopping? can't you be lopping? can't he be lopping? can't we be lopping? can't you be lopping? can't they be lopping?
Perfect	V-ing perfect
can't I have lopped? can't you have lopped? can't he have lopped? can't we have lopped? can't you have lopped? can't they have lopped?	can't I have been lopping? can't you have been lopping? can't he have been lopping? can't we have been lopping? can't you have been lopping? can't they have been lopping?