English verb conjugation
COULD LIGHT

Irregular verb: light - lit - lit

Affirmation

Simple form	V-ing form
I could light you could light he could light we could light you could light they could light	I could be lighting you could be lighting he could be lighting we could be lighting you could be lighting they could be lighting
Perfect	V-ing perfect
I could have lit you could have lit he could have lit we could have lit you could have lit they could have lit	I could have been lighting you could have been lighting he could have been lighting we could have been lighting you could have been lighting they could have been lighting

Negation

Simple form	V-ing form
I couldn't light you couldn't light he couldn't light we couldn't light you couldn't light they couldn't light	I couldn't be lighting you couldn't be lighting he couldn't be lighting we couldn't be lighting you couldn't be lighting they couldn't be lighting
Perfect	V-ing perfect
I couldn't have lit you couldn't have lit he couldn't have lit we couldn't have lit you couldn't have lit they couldn't have lit	I couldn't have been lighting you couldn't have been lighting he couldn't have been lighting we couldn't have been lighting you couldn't have been lighting they couldn't have been lighting

Interrogative form

Simple form	V-ing form
could I light? could you light? could he light? could we light? could you light? could they light?	could I be lighting? could you be lighting? could he be lighting? could we be lighting? could you be lighting? could they be lighting?
Perfect	V-ing perfect
could I have lit? could you have lit? could he have lit? could we have lit? could you have lit? could they have lit?	could I have been lighting? could you have been lighting? could he have been lighting? could we have been lighting? could you have been lighting? could they have been lighting?

Interro-negative form

Simple form	V-ing form
couldn't I light? couldn't you light? couldn't he light? couldn't we light? couldn't you light? couldn't they light?	couldn't I be lighting? couldn't you be lighting? couldn't he be lighting? couldn't we be lighting? couldn't you be lighting? couldn't they be lighting?
Perfect	V-ing perfect
couldn't I have lit? couldn't you have lit? couldn't he have lit? couldn't we have lit? couldn't you have lit? couldn't they have lit?	couldn't I have been lighting? couldn't you have been lighting? couldn't he have been lighting? couldn't we have been lighting? couldn't you have been lighting? couldn't they have been lighting?