English verb conjugation
CAN LUNCH

Regular verb: lunch - lunched - lunched

Affirmation

Simple form	V-ing form
I can lunch you can lunch he can lunch we can lunch you can lunch they can lunch	I can be lunching you can be lunching he can be lunching we can be lunching you can be lunching they can be lunching
Perfect	V-ing perfect
I can have lunched you can have lunched he can have lunched we can have lunched you can have lunched they can have lunched	I can have been lunching you can have been lunching he can have been lunching we can have been lunching you can have been lunching they can have been lunching

Negation

Simple form	V-ing form
I cannot lunch you cannot lunch he cannot lunch we cannot lunch you cannot lunch they cannot lunch	I cannot be lunching you cannot be lunching he cannot be lunching we cannot be lunching you cannot be lunching they cannot be lunching
Perfect	V-ing perfect
I cannot have lunched you cannot have lunched he cannot have lunched we cannot have lunched you cannot have lunched they cannot have lunched	I cannot have been lunching you cannot have been lunching he cannot have been lunching we cannot have been lunching you cannot have been lunching they cannot have been lunching

Interrogative form

Simple form	V-ing form
can I lunch? can you lunch? can he lunch? can we lunch? can you lunch? can they lunch?	can I be lunching? can you be lunching? can he be lunching? can we be lunching? can you be lunching? can they be lunching?
Perfect	V-ing perfect
can I have lunched? can you have lunched? can he have lunched? can we have lunched? can you have lunched? can they have lunched?	can I have been lunching? can you have been lunching? can he have been lunching? can we have been lunching? can you have been lunching? can they have been lunching?

Interro-negative form

Simple form	V-ing form
can I not lunch? can you not lunch? can he not lunch? can we not lunch? can you not lunch? can they not lunch?	can I not be lunching? can you not be lunching? can he not be lunching? can we not be lunching? can you not be lunching? can they not be lunching?
Perfect	V-ing perfect
can I not have lunched? can you not have lunched? can he not have lunched? can we not have lunched? can you not have lunched? can they not have lunched?	can I not have been lunching? can you not have been lunching? can he not have been lunching? can we not have been lunching? can you not have been lunching? can they not have been lunching?