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 cannot cook you cannot cook he cannot cook we cannot cook you cannot cook they cannot cook	I cannot be cooking you cannot be cooking he cannot be cooking we cannot be cooking you cannot be cooking they cannot be cooking
Perfect	V-ing perfect
I cannot have cooked you cannot have cooked he cannot have cooked we cannot have cooked you cannot have cooked they cannot have cooked	I cannot have been cooking you cannot have been cooking he cannot have been cooking we cannot have been cooking you cannot have been cooking they cannot 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 I not cook? can you not cook? can he not cook? can we not cook? can you not cook? can they not cook?	can I not be cooking? can you not be cooking? can he not be cooking? can we not be cooking? can you not be cooking? can they not be cooking?
Perfect	V-ing perfect
can I not have cooked? can you not have cooked? can he not have cooked? can we not have cooked? can you not have cooked? can they not have cooked?	can I not have been cooking? can you not have been cooking? can he not have been cooking? can we not have been cooking? can you not have been cooking? can they not have been cooking?