can consume
Regular verb: consume - consumed- consumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can consume
you can consume
he can consume
we can consume
you can consume
they can consume 	I can be consuming
you can be consuming
he can be consuming
we can be consuming
you can be consuming
they can be consuming	I can have consumed
you can have consumed
he 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
he 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 can't consume
you can't consume
he can't consume
we can't consume
you can't consume
they can't consume 	I can't be consuming
you can't be consuming
he can't be consuming
we can't be consuming
you can't be consuming
they can't be consuming	I can't have consumed
you can't have consumed
he can't have consumed
we can't have consumed
you can't have consumed
they can't have consumed	I can't have been consuming
you can't have been consuming
he can't have been consuming
we can't have been consuming
you can't have been consuming
they can't have been consuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I consume?
can you consume?
can he consume?
can we consume?
can you consume?
can they consume? 	can I be consuming?
can you be consuming?
can he be consuming?
can we be consuming?
can you be consuming?
can they be consuming? 	can I have consumed?
can you have consumed?
can he 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 he 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't I consume?
can't you consume?
can't he consume?
can't we consume?
can't you consume?
can't they consume? 	can't I be consuming?
can't you be consuming?
can't he be consuming?
can't we be consuming?
can't you be consuming?
can't they be consuming? 	can't I have consumed?
can't you have consumed?
can't he have consumed?
can't we have consumed?
can't you have consumed?
can't they have consumed? 	can't I have been consuming?
can't you have been consuming?
can't he have been consuming?
can't we have been consuming?
can't you have been consuming?
can't they have been consuming?