English verb conjugation
CAN SPHERE

Regular verb: sphere - sphered - sphered

Affirmation

Simple form	V-ing form
I can sphere you can sphere she can sphere we can sphere you can sphere they can sphere	I can be sphering you can be sphering she can be sphering we can be sphering you can be sphering they can be sphering
Perfect	V-ing perfect
I can have sphered you can have sphered she can have sphered we can have sphered you can have sphered they can have sphered	I can have been sphering you can have been sphering she can have been sphering we can have been sphering you can have been sphering they can have been sphering

Negation

Simple form	V-ing form
I can't sphere you can't sphere she can't sphere we can't sphere you can't sphere they can't sphere	I can't be sphering you can't be sphering she can't be sphering we can't be sphering you can't be sphering they can't be sphering
Perfect	V-ing perfect
I can't have sphered you can't have sphered she can't have sphered we can't have sphered you can't have sphered they can't have sphered	I can't have been sphering you can't have been sphering she can't have been sphering we can't have been sphering you can't have been sphering they can't have been sphering

Interrogative form

Simple form	V-ing form
can I sphere? can you sphere? can she sphere? can we sphere? can you sphere? can they sphere?	can I be sphering? can you be sphering? can she be sphering? can we be sphering? can you be sphering? can they be sphering?
Perfect	V-ing perfect
can I have sphered? can you have sphered? can she have sphered? can we have sphered? can you have sphered? can they have sphered?	can I have been sphering? can you have been sphering? can she have been sphering? can we have been sphering? can you have been sphering? can they have been sphering?

Interro-negative form

Simple form	V-ing form
can't I sphere? can't you sphere? can't she sphere? can't we sphere? can't you sphere? can't they sphere?	can't I be sphering? can't you be sphering? can't she be sphering? can't we be sphering? can't you be sphering? can't they be sphering?
Perfect	V-ing perfect
can't I have sphered? can't you have sphered? can't she have sphered? can't we have sphered? can't you have sphered? can't they have sphered?	can't I have been sphering? can't you have been sphering? can't she have been sphering? can't we have been sphering? can't you have been sphering? can't they have been sphering?