English verb conjugation
CAN COOK

Regular verb: cook - cooked - cooked

Affirmation

Simple form	V-ing form
I can cook you can cook he can cook we can cook you can cook they can cook	I can be cooking you can be cooking he can be cooking we can be cooking you can be cooking they can be cooking
Perfect	V-ing perfect
I can have cooked you can have cooked he can have cooked we can have cooked you can have cooked they can have cooked	I can have been cooking you can have been cooking he can have been cooking we can have been cooking you can have been cooking they can have been cooking

Negation

Simple form	V-ing form
I can't cook you can't cook he can't cook we can't cook you can't cook they can't cook	I can't be cooking you can't be cooking he can't be cooking we can't be cooking you can't be cooking they can't be cooking
Perfect	V-ing perfect
I can't have cooked you can't have cooked he can't have cooked we can't have cooked you can't have cooked they can't have cooked	I can't have been cooking you can't have been cooking he can't have been cooking we can't have been cooking you can't have been cooking they can't have been cooking

Interrogative form

Simple form	V-ing form
can I cook? can you cook? can he cook? can we cook? can you cook? can they cook?	can I be cooking? can you be cooking? can he be cooking? can we be cooking? can you be cooking? can they be cooking?
Perfect	V-ing perfect
can I have cooked? can you have cooked? can he have cooked? can we have cooked? can you have cooked? can they have cooked?	can I have been cooking? can you have been cooking? can he have been cooking? can we have been cooking? can you have been cooking? can they have been cooking?

Interro-negative form

Simple form	V-ing form
can't I cook? can't you cook? can't he cook? can't we cook? can't you cook? can't they cook?	can't I be cooking? can't you be cooking? can't he be cooking? can't we be cooking? can't you be cooking? can't they be cooking?
Perfect	V-ing perfect
can't I have cooked? can't you have cooked? can't he have cooked? can't we have cooked? can't you have cooked? can't they have cooked?	can't I have been cooking? can't you have been cooking? can't he have been cooking? can't we have been cooking? can't you have been cooking? can't they have been cooking?