English verb conjugation
COULD NUKE

Regular verb: nuke - nuked - nuked

Affirmation

Simple form	V-ing form
I could nuke you could nuke she could nuke we could nuke you could nuke they could nuke	I could be nuking you could be nuking she could be nuking we could be nuking you could be nuking they could be nuking
Perfect	V-ing perfect
I could have nuked you could have nuked she could have nuked we could have nuked you could have nuked they could have nuked	I could have been nuking you could have been nuking she could have been nuking we could have been nuking you could have been nuking they could have been nuking

Negation

Simple form	V-ing form
I couldn't nuke you couldn't nuke she couldn't nuke we couldn't nuke you couldn't nuke they couldn't nuke	I couldn't be nuking you couldn't be nuking she couldn't be nuking we couldn't be nuking you couldn't be nuking they couldn't be nuking
Perfect	V-ing perfect
I couldn't have nuked you couldn't have nuked she couldn't have nuked we couldn't have nuked you couldn't have nuked they couldn't have nuked	I couldn't have been nuking you couldn't have been nuking she couldn't have been nuking we couldn't have been nuking you couldn't have been nuking they couldn't have been nuking

Interrogative form

Simple form	V-ing form
could I nuke? could you nuke? could she nuke? could we nuke? could you nuke? could they nuke?	could I be nuking? could you be nuking? could she be nuking? could we be nuking? could you be nuking? could they be nuking?
Perfect	V-ing perfect
could I have nuked? could you have nuked? could she have nuked? could we have nuked? could you have nuked? could they have nuked?	could I have been nuking? could you have been nuking? could she have been nuking? could we have been nuking? could you have been nuking? could they have been nuking?

Interro-negative form

Simple form	V-ing form
couldn't I nuke? couldn't you nuke? couldn't she nuke? couldn't we nuke? couldn't you nuke? couldn't they nuke?	couldn't I be nuking? couldn't you be nuking? couldn't she be nuking? couldn't we be nuking? couldn't you be nuking? couldn't they be nuking?
Perfect	V-ing perfect
couldn't I have nuked? couldn't you have nuked? couldn't she have nuked? couldn't we have nuked? couldn't you have nuked? couldn't they have nuked?	couldn't I have been nuking? couldn't you have been nuking? couldn't she have been nuking? couldn't we have been nuking? couldn't you have been nuking? couldn't they have been nuking?