English verb conjugation
COULD SPICE

Regular verb: spice - spiced - spiced

Affirmation

Simple form	V-ing form
I could spice you could spice he could spice we could spice you could spice they could spice	I could be spicing you could be spicing he could be spicing we could be spicing you could be spicing they could be spicing
Perfect	V-ing perfect
I could have spiced you could have spiced he could have spiced we could have spiced you could have spiced they could have spiced	I could have been spicing you could have been spicing he could have been spicing we could have been spicing you could have been spicing they could have been spicing

Negation

Simple form	V-ing form
I couldn't spice you couldn't spice he couldn't spice we couldn't spice you couldn't spice they couldn't spice	I couldn't be spicing you couldn't be spicing he couldn't be spicing we couldn't be spicing you couldn't be spicing they couldn't be spicing
Perfect	V-ing perfect
I couldn't have spiced you couldn't have spiced he couldn't have spiced we couldn't have spiced you couldn't have spiced they couldn't have spiced	I couldn't have been spicing you couldn't have been spicing he couldn't have been spicing we couldn't have been spicing you couldn't have been spicing they couldn't have been spicing

Interrogative form

Simple form	V-ing form
could I spice? could you spice? could he spice? could we spice? could you spice? could they spice?	could I be spicing? could you be spicing? could he be spicing? could we be spicing? could you be spicing? could they be spicing?
Perfect	V-ing perfect
could I have spiced? could you have spiced? could he have spiced? could we have spiced? could you have spiced? could they have spiced?	could I have been spicing? could you have been spicing? could he have been spicing? could we have been spicing? could you have been spicing? could they have been spicing?

Interro-negative form

Simple form	V-ing form
couldn't I spice? couldn't you spice? couldn't he spice? couldn't we spice? couldn't you spice? couldn't they spice?	couldn't I be spicing? couldn't you be spicing? couldn't he be spicing? couldn't we be spicing? couldn't you be spicing? couldn't they be spicing?
Perfect	V-ing perfect
couldn't I have spiced? couldn't you have spiced? couldn't he have spiced? couldn't we have spiced? couldn't you have spiced? couldn't they have spiced?	couldn't I have been spicing? couldn't you have been spicing? couldn't he have been spicing? couldn't we have been spicing? couldn't you have been spicing? couldn't they have been spicing?