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