English verb conjugation
CAN LANCE

Regular verb: lance - lanced - lanced

Affirmation

Simple form	V-ing form
I can lance you can lance he can lance we can lance you can lance they can lance	I can be lancing you can be lancing he can be lancing we can be lancing you can be lancing they can be lancing
Perfect	V-ing perfect
I can have lanced you can have lanced he can have lanced we can have lanced you can have lanced they can have lanced	I can have been lancing you can have been lancing he can have been lancing we can have been lancing you can have been lancing they can have been lancing

Negation

Simple form	V-ing form
I can't lance you can't lance he can't lance we can't lance you can't lance they can't lance	I can't be lancing you can't be lancing he can't be lancing we can't be lancing you can't be lancing they can't be lancing
Perfect	V-ing perfect
I can't have lanced you can't have lanced he can't have lanced we can't have lanced you can't have lanced they can't have lanced	I can't have been lancing you can't have been lancing he can't have been lancing we can't have been lancing you can't have been lancing they can't have been lancing

Interrogative form

Simple form	V-ing form
can I lance? can you lance? can he lance? can we lance? can you lance? can they lance?	can I be lancing? can you be lancing? can he be lancing? can we be lancing? can you be lancing? can they be lancing?
Perfect	V-ing perfect
can I have lanced? can you have lanced? can he have lanced? can we have lanced? can you have lanced? can they have lanced?	can I have been lancing? can you have been lancing? can he have been lancing? can we have been lancing? can you have been lancing? can they have been lancing?

Interro-negative form

Simple form	V-ing form
can't I lance? can't you lance? can't he lance? can't we lance? can't you lance? can't they lance?	can't I be lancing? can't you be lancing? can't he be lancing? can't we be lancing? can't you be lancing? can't they be lancing?
Perfect	V-ing perfect
can't I have lanced? can't you have lanced? can't he have lanced? can't we have lanced? can't you have lanced? can't they have lanced?	can't I have been lancing? can't you have been lancing? can't he have been lancing? can't we have been lancing? can't you have been lancing? can't they have been lancing?