English verb conjugation
CAN REFRACT

Regular verb: refract - refracted - refracted

Affirmation

Simple form	V-ing form
I can refract you can refract she can refract we can refract you can refract they can refract	I can be refracting you can be refracting she can be refracting we can be refracting you can be refracting they can be refracting
Perfect	V-ing perfect
I can have refracted you can have refracted she can have refracted we can have refracted you can have refracted they can have refracted	I can have been refracting you can have been refracting she can have been refracting we can have been refracting you can have been refracting they can have been refracting

Negation

Simple form	V-ing form
I cannot refract you cannot refract she cannot refract we cannot refract you cannot refract they cannot refract	I cannot be refracting you cannot be refracting she cannot be refracting we cannot be refracting you cannot be refracting they cannot be refracting
Perfect	V-ing perfect
I cannot have refracted you cannot have refracted she cannot have refracted we cannot have refracted you cannot have refracted they cannot have refracted	I cannot have been refracting you cannot have been refracting she cannot have been refracting we cannot have been refracting you cannot have been refracting they cannot have been refracting

Interrogative form

Simple form	V-ing form
can I refract? can you refract? can she refract? can we refract? can you refract? can they refract?	can I be refracting? can you be refracting? can she be refracting? can we be refracting? can you be refracting? can they be refracting?
Perfect	V-ing perfect
can I have refracted? can you have refracted? can she have refracted? can we have refracted? can you have refracted? can they have refracted?	can I have been refracting? can you have been refracting? can she have been refracting? can we have been refracting? can you have been refracting? can they have been refracting?

Interro-negative form

Simple form	V-ing form
can I not refract? can you not refract? can she not refract? can we not refract? can you not refract? can they not refract?	can I not be refracting? can you not be refracting? can she not be refracting? can we not be refracting? can you not be refracting? can they not be refracting?
Perfect	V-ing perfect
can I not have refracted? can you not have refracted? can she not have refracted? can we not have refracted? can you not have refracted? can they not have refracted?	can I not have been refracting? can you not have been refracting? can she not have been refracting? can we not have been refracting? can you not have been refracting? can they not have been refracting?