English verb conjugation
COULD LANCE

Regular verb: lance - lanced - lanced

Affirmation

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

Negation

Simple form	V-ing form
I could not lance you could not lance he could not lance we could not lance you could not lance they could not lance	I could not be lancing you could not be lancing he could not be lancing we could not be lancing you could not be lancing they could not be lancing
Perfect	V-ing perfect
I could not have lanced you could not have lanced he could not have lanced we could not have lanced you could not have lanced they could not have lanced	I could not have been lancing you could not have been lancing he could not have been lancing we could not have been lancing you could not have been lancing they could not have been lancing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not lance? could you not lance? could he not lance? could we not lance? could you not lance? could they not lance?	could I not be lancing? could you not be lancing? could he not be lancing? could we not be lancing? could you not be lancing? could they not be lancing?
Perfect	V-ing perfect
could I not have lanced? could you not have lanced? could he not have lanced? could we not have lanced? could you not have lanced? could they not have lanced?	could I not have been lancing? could you not have been lancing? could he not have been lancing? could we not have been lancing? could you not have been lancing? could they not have been lancing?