English verb conjugation
CAN UNDERCOOK

Regular verb: undercook - undercooked - undercooked

Affirmation

Simple form	V-ing form
I can undercook you can undercook he can undercook we can undercook you can undercook they can undercook	I can be undercooking you can be undercooking he can be undercooking we can be undercooking you can be undercooking they can be undercooking
Perfect	V-ing perfect
I can have undercooked you can have undercooked he can have undercooked we can have undercooked you can have undercooked they can have undercooked	I can have been undercooking you can have been undercooking he can have been undercooking we can have been undercooking you can have been undercooking they can have been undercooking

Negation

Simple form	V-ing form
I can't undercook you can't undercook he can't undercook we can't undercook you can't undercook they can't undercook	I can't be undercooking you can't be undercooking he can't be undercooking we can't be undercooking you can't be undercooking they can't be undercooking
Perfect	V-ing perfect
I can't have undercooked you can't have undercooked he can't have undercooked we can't have undercooked you can't have undercooked they can't have undercooked	I can't have been undercooking you can't have been undercooking he can't have been undercooking we can't have been undercooking you can't have been undercooking they can't have been undercooking

Interrogative form

Simple form	V-ing form
can I undercook? can you undercook? can he undercook? can we undercook? can you undercook? can they undercook?	can I be undercooking? can you be undercooking? can he be undercooking? can we be undercooking? can you be undercooking? can they be undercooking?
Perfect	V-ing perfect
can I have undercooked? can you have undercooked? can he have undercooked? can we have undercooked? can you have undercooked? can they have undercooked?	can I have been undercooking? can you have been undercooking? can he have been undercooking? can we have been undercooking? can you have been undercooking? can they have been undercooking?

Interro-negative form

Simple form	V-ing form
can't I undercook? can't you undercook? can't he undercook? can't we undercook? can't you undercook? can't they undercook?	can't I be undercooking? can't you be undercooking? can't he be undercooking? can't we be undercooking? can't you be undercooking? can't they be undercooking?
Perfect	V-ing perfect
can't I have undercooked? can't you have undercooked? can't he have undercooked? can't we have undercooked? can't you have undercooked? can't they have undercooked?	can't I have been undercooking? can't you have been undercooking? can't he have been undercooking? can't we have been undercooking? can't you have been undercooking? can't they have been undercooking?