English verb conjugation
COULD PIQUE

Regular verb: pique - piqued - piqued

Affirmation

Simple form	V-ing form
I could pique you could pique he could pique we could pique you could pique they could pique	I could be piquing you could be piquing he could be piquing we could be piquing you could be piquing they could be piquing
Perfect	V-ing perfect
I could have piqued you could have piqued he could have piqued we could have piqued you could have piqued they could have piqued	I could have been piquing you could have been piquing he could have been piquing we could have been piquing you could have been piquing they could have been piquing

Negation

Simple form	V-ing form
I couldn't pique you couldn't pique he couldn't pique we couldn't pique you couldn't pique they couldn't pique	I couldn't be piquing you couldn't be piquing he couldn't be piquing we couldn't be piquing you couldn't be piquing they couldn't be piquing
Perfect	V-ing perfect
I couldn't have piqued you couldn't have piqued he couldn't have piqued we couldn't have piqued you couldn't have piqued they couldn't have piqued	I couldn't have been piquing you couldn't have been piquing he couldn't have been piquing we couldn't have been piquing you couldn't have been piquing they couldn't have been piquing

Interrogative form

Simple form	V-ing form
could I pique? could you pique? could he pique? could we pique? could you pique? could they pique?	could I be piquing? could you be piquing? could he be piquing? could we be piquing? could you be piquing? could they be piquing?
Perfect	V-ing perfect
could I have piqued? could you have piqued? could he have piqued? could we have piqued? could you have piqued? could they have piqued?	could I have been piquing? could you have been piquing? could he have been piquing? could we have been piquing? could you have been piquing? could they have been piquing?

Interro-negative form

Simple form	V-ing form
couldn't I pique? couldn't you pique? couldn't he pique? couldn't we pique? couldn't you pique? couldn't they pique?	couldn't I be piquing? couldn't you be piquing? couldn't he be piquing? couldn't we be piquing? couldn't you be piquing? couldn't they be piquing?
Perfect	V-ing perfect
couldn't I have piqued? couldn't you have piqued? couldn't he have piqued? couldn't we have piqued? couldn't you have piqued? couldn't they have piqued?	couldn't I have been piquing? couldn't you have been piquing? couldn't he have been piquing? couldn't we have been piquing? couldn't you have been piquing? couldn't they have been piquing?