I can morph you can morph he can morph we can morph you can morph they can morph
V-ing form
I can be morphing you can be morphing he can be morphing we can be morphing you can be morphing they can be morphing
Perfect
I can have morphed you can have morphed he can have morphed we can have morphed you can have morphed they can have morphed
V-ing perfect
I can have been morphing you can have been morphing he can have been morphing we can have been morphing you can have been morphing they can have been morphing
Negation
Simple form
I can't morph you can't morph he can't morph we can't morph you can't morph they can't morph
V-ing form
I can't be morphing you can't be morphing he can't be morphing we can't be morphing you can't be morphing they can't be morphing
Perfect
I can't have morphed you can't have morphed he can't have morphed we can't have morphed you can't have morphed they can't have morphed
V-ing perfect
I can't have been morphing you can't have been morphing he can't have been morphing we can't have been morphing you can't have been morphing they can't have been morphing
Interrogative form
Simple form
can I morph? can you morph? can he morph? can we morph? can you morph? can they morph?
V-ing form
can I be morphing? can you be morphing? can he be morphing? can we be morphing? can you be morphing? can they be morphing?
Perfect
can I have morphed? can you have morphed? can he have morphed? can we have morphed? can you have morphed? can they have morphed?
V-ing perfect
can I have been morphing? can you have been morphing? can he have been morphing? can we have been morphing? can you have been morphing? can they have been morphing?
Interro-negative form
Simple form
can't I morph? can't you morph? can't he morph? can't we morph? can't you morph? can't they morph?
V-ing form
can't I be morphing? can't you be morphing? can't he be morphing? can't we be morphing? can't you be morphing? can't they be morphing?
Perfect
can't I have morphed? can't you have morphed? can't he have morphed? can't we have morphed? can't you have morphed? can't they have morphed?
V-ing perfect
can't I have been morphing? can't you have been morphing? can't he have been morphing? can't we have been morphing? can't you have been morphing? can't they have been morphing?