can consume
Regular verb: consume - consumed- consumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can consume
you can consume
she can consume
we can consume
you can consume
they can consume 	I can be consuming
you can be consuming
she can be consuming
we can be consuming
you can be consuming
they can be consuming	I can have consumed
you can have consumed
she can have consumed
we can have consumed
you can have consumed
they can have consumed	I can have been consuming
you can have been consuming
she can have been consuming
we can have been consuming
you can have been consuming
they can have been consuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot consume
you cannot consume
she cannot consume
we cannot consume
you cannot consume
they cannot consume 	I cannot be consuming
you cannot be consuming
she cannot be consuming
we cannot be consuming
you cannot be consuming
they cannot be consuming	I cannot have consumed
you cannot have consumed
she cannot have consumed
we cannot have consumed
you cannot have consumed
they cannot have consumed	I cannot have been consuming
you cannot have been consuming
she cannot have been consuming
we cannot have been consuming
you cannot have been consuming
they cannot have been consuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I consume?
can you consume?
can she consume?
can we consume?
can you consume?
can they consume? 	can I be consuming?
can you be consuming?
can she be consuming?
can we be consuming?
can you be consuming?
can they be consuming? 	can I have consumed?
can you have consumed?
can she have consumed?
can we have consumed?
can you have consumed?
can they have consumed? 	can I have been consuming?
can you have been consuming?
can she have been consuming?
can we have been consuming?
can you have been consuming?
can they have been consuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not consume?
can you not consume?
can she not consume?
can we not consume?
can you not consume?
can they not consume? 	can I not be consuming?
can you not be consuming?
can she not be consuming?
can we not be consuming?
can you not be consuming?
can they not be consuming? 	can I not have consumed?
can you not have consumed?
can she not have consumed?
can we not have consumed?
can you not have consumed?
can they not have consumed? 	can I not have been consuming?
can you not have been consuming?
can she not have been consuming?
can we not have been consuming?
can you not have been consuming?
can they not have been consuming?