English verb conjugation
CAN TWIG

Regular verb: twig - twigged - twigged

Affirmation

Simple form	V-ing form
I can twig you can twig he can twig we can twig you can twig they can twig	I can be twigging you can be twigging he can be twigging we can be twigging you can be twigging they can be twigging
Perfect	V-ing perfect
I can have twigged you can have twigged he can have twigged we can have twigged you can have twigged they can have twigged	I can have been twigging you can have been twigging he can have been twigging we can have been twigging you can have been twigging they can have been twigging

Negation

Simple form	V-ing form
I can't twig you can't twig he can't twig we can't twig you can't twig they can't twig	I can't be twigging you can't be twigging he can't be twigging we can't be twigging you can't be twigging they can't be twigging
Perfect	V-ing perfect
I can't have twigged you can't have twigged he can't have twigged we can't have twigged you can't have twigged they can't have twigged	I can't have been twigging you can't have been twigging he can't have been twigging we can't have been twigging you can't have been twigging they can't have been twigging

Interrogative form

Simple form	V-ing form
can I twig? can you twig? can he twig? can we twig? can you twig? can they twig?	can I be twigging? can you be twigging? can he be twigging? can we be twigging? can you be twigging? can they be twigging?
Perfect	V-ing perfect
can I have twigged? can you have twigged? can he have twigged? can we have twigged? can you have twigged? can they have twigged?	can I have been twigging? can you have been twigging? can he have been twigging? can we have been twigging? can you have been twigging? can they have been twigging?

Interro-negative form

Simple form	V-ing form
can't I twig? can't you twig? can't he twig? can't we twig? can't you twig? can't they twig?	can't I be twigging? can't you be twigging? can't he be twigging? can't we be twigging? can't you be twigging? can't they be twigging?
Perfect	V-ing perfect
can't I have twigged? can't you have twigged? can't he have twigged? can't we have twigged? can't you have twigged? can't they have twigged?	can't I have been twigging? can't you have been twigging? can't he have been twigging? can't we have been twigging? can't you have been twigging? can't they have been twigging?