English verb conjugation
CAN HAWK

Regular verb: hawk - hawked - hawked

Affirmation

Simple form	V-ing form
I can hawk you can hawk he can hawk we can hawk you can hawk they can hawk	I can be hawking you can be hawking he can be hawking we can be hawking you can be hawking they can be hawking
Perfect	V-ing perfect
I can have hawked you can have hawked he can have hawked we can have hawked you can have hawked they can have hawked	I can have been hawking you can have been hawking he can have been hawking we can have been hawking you can have been hawking they can have been hawking

Negation

Simple form	V-ing form
I can't hawk you can't hawk he can't hawk we can't hawk you can't hawk they can't hawk	I can't be hawking you can't be hawking he can't be hawking we can't be hawking you can't be hawking they can't be hawking
Perfect	V-ing perfect
I can't have hawked you can't have hawked he can't have hawked we can't have hawked you can't have hawked they can't have hawked	I can't have been hawking you can't have been hawking he can't have been hawking we can't have been hawking you can't have been hawking they can't have been hawking

Interrogative form

Simple form	V-ing form
can I hawk? can you hawk? can he hawk? can we hawk? can you hawk? can they hawk?	can I be hawking? can you be hawking? can he be hawking? can we be hawking? can you be hawking? can they be hawking?
Perfect	V-ing perfect
can I have hawked? can you have hawked? can he have hawked? can we have hawked? can you have hawked? can they have hawked?	can I have been hawking? can you have been hawking? can he have been hawking? can we have been hawking? can you have been hawking? can they have been hawking?

Interro-negative form

Simple form	V-ing form
can't I hawk? can't you hawk? can't he hawk? can't we hawk? can't you hawk? can't they hawk?	can't I be hawking? can't you be hawking? can't he be hawking? can't we be hawking? can't you be hawking? can't they be hawking?
Perfect	V-ing perfect
can't I have hawked? can't you have hawked? can't he have hawked? can't we have hawked? can't you have hawked? can't they have hawked?	can't I have been hawking? can't you have been hawking? can't he have been hawking? can't we have been hawking? can't you have been hawking? can't they have been hawking?