English verb conjugation
CAN SIN

Regular verb: sin - sinned - sinned

Affirmation

Simple form	V-ing form
I can sin you can sin she can sin we can sin you can sin they can sin	I can be sinning you can be sinning she can be sinning we can be sinning you can be sinning they can be sinning
Perfect	V-ing perfect
I can have sinned you can have sinned she can have sinned we can have sinned you can have sinned they can have sinned	I can have been sinning you can have been sinning she can have been sinning we can have been sinning you can have been sinning they can have been sinning

Negation

Simple form	V-ing form
I can't sin you can't sin she can't sin we can't sin you can't sin they can't sin	I can't be sinning you can't be sinning she can't be sinning we can't be sinning you can't be sinning they can't be sinning
Perfect	V-ing perfect
I can't have sinned you can't have sinned she can't have sinned we can't have sinned you can't have sinned they can't have sinned	I can't have been sinning you can't have been sinning she can't have been sinning we can't have been sinning you can't have been sinning they can't have been sinning

Interrogative form

Simple form	V-ing form
can I sin? can you sin? can she sin? can we sin? can you sin? can they sin?	can I be sinning? can you be sinning? can she be sinning? can we be sinning? can you be sinning? can they be sinning?
Perfect	V-ing perfect
can I have sinned? can you have sinned? can she have sinned? can we have sinned? can you have sinned? can they have sinned?	can I have been sinning? can you have been sinning? can she have been sinning? can we have been sinning? can you have been sinning? can they have been sinning?

Interro-negative form

Simple form	V-ing form
can't I sin? can't you sin? can't she sin? can't we sin? can't you sin? can't they sin?	can't I be sinning? can't you be sinning? can't she be sinning? can't we be sinning? can't you be sinning? can't they be sinning?
Perfect	V-ing perfect
can't I have sinned? can't you have sinned? can't she have sinned? can't we have sinned? can't you have sinned? can't they have sinned?	can't I have been sinning? can't you have been sinning? can't she have been sinning? can't we have been sinning? can't you have been sinning? can't they have been sinning?