English verb conjugation
COULD MORPH

Regular verb: morph - morphed - morphed

Affirmation

Simple form	V-ing form
I could morph you could morph he could morph we could morph you could morph they could morph	I could be morphing you could be morphing he could be morphing we could be morphing you could be morphing they could be morphing
Perfect	V-ing perfect
I could have morphed you could have morphed he could have morphed we could have morphed you could have morphed they could have morphed	I could have been morphing you could have been morphing he could have been morphing we could have been morphing you could have been morphing they could have been morphing

Negation

Simple form	V-ing form
I couldn't morph you couldn't morph he couldn't morph we couldn't morph you couldn't morph they couldn't morph	I couldn't be morphing you couldn't be morphing he couldn't be morphing we couldn't be morphing you couldn't be morphing they couldn't be morphing
Perfect	V-ing perfect
I couldn't have morphed you couldn't have morphed he couldn't have morphed we couldn't have morphed you couldn't have morphed they couldn't have morphed	I couldn't have been morphing you couldn't have been morphing he couldn't have been morphing we couldn't have been morphing you couldn't have been morphing they couldn't have been morphing

Interrogative form

Simple form	V-ing form
could I morph? could you morph? could he morph? could we morph? could you morph? could they morph?	could I be morphing? could you be morphing? could he be morphing? could we be morphing? could you be morphing? could they be morphing?
Perfect	V-ing perfect
could I have morphed? could you have morphed? could he have morphed? could we have morphed? could you have morphed? could they have morphed?	could I have been morphing? could you have been morphing? could he have been morphing? could we have been morphing? could you have been morphing? could they have been morphing?

Interro-negative form

Simple form	V-ing form
couldn't I morph? couldn't you morph? couldn't he morph? couldn't we morph? couldn't you morph? couldn't they morph?	couldn't I be morphing? couldn't you be morphing? couldn't he be morphing? couldn't we be morphing? couldn't you be morphing? couldn't they be morphing?
Perfect	V-ing perfect
couldn't I have morphed? couldn't you have morphed? couldn't he have morphed? couldn't we have morphed? couldn't you have morphed? couldn't they have morphed?	couldn't I have been morphing? couldn't you have been morphing? couldn't he have been morphing? couldn't we have been morphing? couldn't you have been morphing? couldn't they have been morphing?