English verb conjugation
CAN NIGH

Regular verb: nigh - nighed - nighed

Affirmation

Simple form	V-ing form
I can nigh you can nigh he can nigh we can nigh you can nigh they can nigh	I can be nighing you can be nighing he can be nighing we can be nighing you can be nighing they can be nighing
Perfect	V-ing perfect
I can have nighed you can have nighed he can have nighed we can have nighed you can have nighed they can have nighed	I can have been nighing you can have been nighing he can have been nighing we can have been nighing you can have been nighing they can have been nighing

Negation

Simple form	V-ing form
I can't nigh you can't nigh he can't nigh we can't nigh you can't nigh they can't nigh	I can't be nighing you can't be nighing he can't be nighing we can't be nighing you can't be nighing they can't be nighing
Perfect	V-ing perfect
I can't have nighed you can't have nighed he can't have nighed we can't have nighed you can't have nighed they can't have nighed	I can't have been nighing you can't have been nighing he can't have been nighing we can't have been nighing you can't have been nighing they can't have been nighing

Interrogative form

Simple form	V-ing form
can I nigh? can you nigh? can he nigh? can we nigh? can you nigh? can they nigh?	can I be nighing? can you be nighing? can he be nighing? can we be nighing? can you be nighing? can they be nighing?
Perfect	V-ing perfect
can I have nighed? can you have nighed? can he have nighed? can we have nighed? can you have nighed? can they have nighed?	can I have been nighing? can you have been nighing? can he have been nighing? can we have been nighing? can you have been nighing? can they have been nighing?

Interro-negative form

Simple form	V-ing form
can't I nigh? can't you nigh? can't he nigh? can't we nigh? can't you nigh? can't they nigh?	can't I be nighing? can't you be nighing? can't he be nighing? can't we be nighing? can't you be nighing? can't they be nighing?
Perfect	V-ing perfect
can't I have nighed? can't you have nighed? can't he have nighed? can't we have nighed? can't you have nighed? can't they have nighed?	can't I have been nighing? can't you have been nighing? can't he have been nighing? can't we have been nighing? can't you have been nighing? can't they have been nighing?