can earn
Regular verb: earn - earned- earned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can earn
you can earn
she can earn
we can earn
you can earn
they can earn 	I can be earning
you can be earning
she can be earning
we can be earning
you can be earning
they can be earning	I can have earned
you can have earned
she can have earned
we can have earned
you can have earned
they can have earned	I can have been earning
you can have been earning
she can have been earning
we can have been earning
you can have been earning
they can have been earning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't earn
you can't earn
she can't earn
we can't earn
you can't earn
they can't earn 	I can't be earning
you can't be earning
she can't be earning
we can't be earning
you can't be earning
they can't be earning	I can't have earned
you can't have earned
she can't have earned
we can't have earned
you can't have earned
they can't have earned	I can't have been earning
you can't have been earning
she can't have been earning
we can't have been earning
you can't have been earning
they can't have been earning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I earn?
can you earn?
can she earn?
can we earn?
can you earn?
can they earn? 	can I be earning?
can you be earning?
can she be earning?
can we be earning?
can you be earning?
can they be earning? 	can I have earned?
can you have earned?
can she have earned?
can we have earned?
can you have earned?
can they have earned? 	can I have been earning?
can you have been earning?
can she have been earning?
can we have been earning?
can you have been earning?
can they have been earning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I earn?
can't you earn?
can't she earn?
can't we earn?
can't you earn?
can't they earn? 	can't I be earning?
can't you be earning?
can't she be earning?
can't we be earning?
can't you be earning?
can't they be earning? 	can't I have earned?
can't you have earned?
can't she have earned?
can't we have earned?
can't you have earned?
can't they have earned? 	can't I have been earning?
can't you have been earning?
can't she have been earning?
can't we have been earning?
can't you have been earning?
can't they have been earning?