English verb conjugation
COULD NOSE

Regular verb: nose - nosed - nosed

Affirmation

Simple form	V-ing form
I could nose you could nose she could nose we could nose you could nose they could nose	I could be nosing you could be nosing she could be nosing we could be nosing you could be nosing they could be nosing
Perfect	V-ing perfect
I could have nosed you could have nosed she could have nosed we could have nosed you could have nosed they could have nosed	I could have been nosing you could have been nosing she could have been nosing we could have been nosing you could have been nosing they could have been nosing

Negation

Simple form	V-ing form
I couldn't nose you couldn't nose she couldn't nose we couldn't nose you couldn't nose they couldn't nose	I couldn't be nosing you couldn't be nosing she couldn't be nosing we couldn't be nosing you couldn't be nosing they couldn't be nosing
Perfect	V-ing perfect
I couldn't have nosed you couldn't have nosed she couldn't have nosed we couldn't have nosed you couldn't have nosed they couldn't have nosed	I couldn't have been nosing you couldn't have been nosing she couldn't have been nosing we couldn't have been nosing you couldn't have been nosing they couldn't have been nosing

Interrogative form

Simple form	V-ing form
could I nose? could you nose? could she nose? could we nose? could you nose? could they nose?	could I be nosing? could you be nosing? could she be nosing? could we be nosing? could you be nosing? could they be nosing?
Perfect	V-ing perfect
could I have nosed? could you have nosed? could she have nosed? could we have nosed? could you have nosed? could they have nosed?	could I have been nosing? could you have been nosing? could she have been nosing? could we have been nosing? could you have been nosing? could they have been nosing?

Interro-negative form

Simple form	V-ing form
couldn't I nose? couldn't you nose? couldn't she nose? couldn't we nose? couldn't you nose? couldn't they nose?	couldn't I be nosing? couldn't you be nosing? couldn't she be nosing? couldn't we be nosing? couldn't you be nosing? couldn't they be nosing?
Perfect	V-ing perfect
couldn't I have nosed? couldn't you have nosed? couldn't she have nosed? couldn't we have nosed? couldn't you have nosed? couldn't they have nosed?	couldn't I have been nosing? couldn't you have been nosing? couldn't she have been nosing? couldn't we have been nosing? couldn't you have been nosing? couldn't they have been nosing?