English verb conjugation
CAN MODEL

Regular verb: model - modelled - modelled

Affirmation

Simple form	V-ing form
I can model you can model he can model we can model you can model they can model	I can be modelling you can be modelling he can be modelling we can be modelling you can be modelling they can be modelling
Perfect	V-ing perfect
I can have modelled you can have modelled he can have modelled we can have modelled you can have modelled they can have modelled	I can have been modelling you can have been modelling he can have been modelling we can have been modelling you can have been modelling they can have been modelling

Negation

Simple form	V-ing form
I can't model you can't model he can't model we can't model you can't model they can't model	I can't be modelling you can't be modelling he can't be modelling we can't be modelling you can't be modelling they can't be modelling
Perfect	V-ing perfect
I can't have modelled you can't have modelled he can't have modelled we can't have modelled you can't have modelled they can't have modelled	I can't have been modelling you can't have been modelling he can't have been modelling we can't have been modelling you can't have been modelling they can't have been modelling

Interrogative form

Simple form	V-ing form
can I model? can you model? can he model? can we model? can you model? can they model?	can I be modelling? can you be modelling? can he be modelling? can we be modelling? can you be modelling? can they be modelling?
Perfect	V-ing perfect
can I have modelled? can you have modelled? can he have modelled? can we have modelled? can you have modelled? can they have modelled?	can I have been modelling? can you have been modelling? can he have been modelling? can we have been modelling? can you have been modelling? can they have been modelling?

Interro-negative form

Simple form	V-ing form
can't I model? can't you model? can't he model? can't we model? can't you model? can't they model?	can't I be modelling? can't you be modelling? can't he be modelling? can't we be modelling? can't you be modelling? can't they be modelling?
Perfect	V-ing perfect
can't I have modelled? can't you have modelled? can't he have modelled? can't we have modelled? can't you have modelled? can't they have modelled?	can't I have been modelling? can't you have been modelling? can't he have been modelling? can't we have been modelling? can't you have been modelling? can't they have been modelling?