English verb conjugation
COULD PLIGHT

Regular verb: plight - plighted - plighted

Affirmation

Simple form	V-ing form
I could plight you could plight he could plight we could plight you could plight they could plight	I could be plighting you could be plighting he could be plighting we could be plighting you could be plighting they could be plighting
Perfect	V-ing perfect
I could have plighted you could have plighted he could have plighted we could have plighted you could have plighted they could have plighted	I could have been plighting you could have been plighting he could have been plighting we could have been plighting you could have been plighting they could have been plighting

Negation

Simple form	V-ing form
I couldn't plight you couldn't plight he couldn't plight we couldn't plight you couldn't plight they couldn't plight	I couldn't be plighting you couldn't be plighting he couldn't be plighting we couldn't be plighting you couldn't be plighting they couldn't be plighting
Perfect	V-ing perfect
I couldn't have plighted you couldn't have plighted he couldn't have plighted we couldn't have plighted you couldn't have plighted they couldn't have plighted	I couldn't have been plighting you couldn't have been plighting he couldn't have been plighting we couldn't have been plighting you couldn't have been plighting they couldn't have been plighting

Interrogative form

Simple form	V-ing form
could I plight? could you plight? could he plight? could we plight? could you plight? could they plight?	could I be plighting? could you be plighting? could he be plighting? could we be plighting? could you be plighting? could they be plighting?
Perfect	V-ing perfect
could I have plighted? could you have plighted? could he have plighted? could we have plighted? could you have plighted? could they have plighted?	could I have been plighting? could you have been plighting? could he have been plighting? could we have been plighting? could you have been plighting? could they have been plighting?

Interro-negative form

Simple form	V-ing form
couldn't I plight? couldn't you plight? couldn't he plight? couldn't we plight? couldn't you plight? couldn't they plight?	couldn't I be plighting? couldn't you be plighting? couldn't he be plighting? couldn't we be plighting? couldn't you be plighting? couldn't they be plighting?
Perfect	V-ing perfect
couldn't I have plighted? couldn't you have plighted? couldn't he have plighted? couldn't we have plighted? couldn't you have plighted? couldn't they have plighted?	couldn't I have been plighting? couldn't you have been plighting? couldn't he have been plighting? couldn't we have been plighting? couldn't you have been plighting? couldn't they have been plighting?