can lunch
Regular verb: lunch - lunched- lunched

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