English verb conjugation
COULD METAMORPHOSE

Regular verb: metamorphose - metamorphosed - metamorphosed

Affirmation

Simple form	V-ing form
I could metamorphose you could metamorphose he could metamorphose we could metamorphose you could metamorphose they could metamorphose	I could be metamorphosing you could be metamorphosing he could be metamorphosing we could be metamorphosing you could be metamorphosing they could be metamorphosing
Perfect	V-ing perfect
I could have metamorphosed you could have metamorphosed he could have metamorphosed we could have metamorphosed you could have metamorphosed they could have metamorphosed	I could have been metamorphosing you could have been metamorphosing he could have been metamorphosing we could have been metamorphosing you could have been metamorphosing they could have been metamorphosing

Negation

Simple form	V-ing form
I couldn't metamorphose you couldn't metamorphose he couldn't metamorphose we couldn't metamorphose you couldn't metamorphose they couldn't metamorphose	I couldn't be metamorphosing you couldn't be metamorphosing he couldn't be metamorphosing we couldn't be metamorphosing you couldn't be metamorphosing they couldn't be metamorphosing
Perfect	V-ing perfect
I couldn't have metamorphosed you couldn't have metamorphosed he couldn't have metamorphosed we couldn't have metamorphosed you couldn't have metamorphosed they couldn't have metamorphosed	I couldn't have been metamorphosing you couldn't have been metamorphosing he couldn't have been metamorphosing we couldn't have been metamorphosing you couldn't have been metamorphosing they couldn't have been metamorphosing

Interrogative form

Simple form	V-ing form
could I metamorphose? could you metamorphose? could he metamorphose? could we metamorphose? could you metamorphose? could they metamorphose?	could I be metamorphosing? could you be metamorphosing? could he be metamorphosing? could we be metamorphosing? could you be metamorphosing? could they be metamorphosing?
Perfect	V-ing perfect
could I have metamorphosed? could you have metamorphosed? could he have metamorphosed? could we have metamorphosed? could you have metamorphosed? could they have metamorphosed?	could I have been metamorphosing? could you have been metamorphosing? could he have been metamorphosing? could we have been metamorphosing? could you have been metamorphosing? could they have been metamorphosing?

Interro-negative form

Simple form	V-ing form
couldn't I metamorphose? couldn't you metamorphose? couldn't he metamorphose? couldn't we metamorphose? couldn't you metamorphose? couldn't they metamorphose?	couldn't I be metamorphosing? couldn't you be metamorphosing? couldn't he be metamorphosing? couldn't we be metamorphosing? couldn't you be metamorphosing? couldn't they be metamorphosing?
Perfect	V-ing perfect
couldn't I have metamorphosed? couldn't you have metamorphosed? couldn't he have metamorphosed? couldn't we have metamorphosed? couldn't you have metamorphosed? couldn't they have metamorphosed?	couldn't I have been metamorphosing? couldn't you have been metamorphosing? couldn't he have been metamorphosing? couldn't we have been metamorphosing? couldn't you have been metamorphosing? couldn't they have been metamorphosing?