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 cannot lance you cannot lance he cannot lance we cannot lance you cannot lance they cannot lance	I cannot be lancing you cannot be lancing he cannot be lancing we cannot be lancing you cannot be lancing they cannot be lancing
Perfect	V-ing perfect
I cannot have lanced you cannot have lanced he cannot have lanced we cannot have lanced you cannot have lanced they cannot have lanced	I cannot have been lancing you cannot have been lancing he cannot have been lancing we cannot have been lancing you cannot have been lancing they cannot 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 I not lance? can you not lance? can he not lance? can we not lance? can you not lance? can they not lance?	can I not be lancing? can you not be lancing? can he not be lancing? can we not be lancing? can you not be lancing? can they not be lancing?
Perfect	V-ing perfect
can I not have lanced? can you not have lanced? can he not have lanced? can we not have lanced? can you not have lanced? can they not have lanced?	can I not have been lancing? can you not have been lancing? can he not have been lancing? can we not have been lancing? can you not have been lancing? can they not have been lancing?