can smear
Regular verb: smear - smeared- smeared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can smear
you can smear
she can smear
we can smear
you can smear
they can smear 	I can be smearing
you can be smearing
she can be smearing
we can be smearing
you can be smearing
they can be smearing	I can have smeared
you can have smeared
she can have smeared
we can have smeared
you can have smeared
they can have smeared	I can have been smearing
you can have been smearing
she can have been smearing
we can have been smearing
you can have been smearing
they can have been smearing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot smear
you cannot smear
she cannot smear
we cannot smear
you cannot smear
they cannot smear 	I cannot be smearing
you cannot be smearing
she cannot be smearing
we cannot be smearing
you cannot be smearing
they cannot be smearing	I cannot have smeared
you cannot have smeared
she cannot have smeared
we cannot have smeared
you cannot have smeared
they cannot have smeared	I cannot have been smearing
you cannot have been smearing
she cannot have been smearing
we cannot have been smearing
you cannot have been smearing
they cannot have been smearing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I smear?
can you smear?
can she smear?
can we smear?
can you smear?
can they smear? 	can I be smearing?
can you be smearing?
can she be smearing?
can we be smearing?
can you be smearing?
can they be smearing? 	can I have smeared?
can you have smeared?
can she have smeared?
can we have smeared?
can you have smeared?
can they have smeared? 	can I have been smearing?
can you have been smearing?
can she have been smearing?
can we have been smearing?
can you have been smearing?
can they have been smearing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not smear?
can you not smear?
can she not smear?
can we not smear?
can you not smear?
can they not smear? 	can I not be smearing?
can you not be smearing?
can she not be smearing?
can we not be smearing?
can you not be smearing?
can they not be smearing? 	can I not have smeared?
can you not have smeared?
can she not have smeared?
can we not have smeared?
can you not have smeared?
can they not have smeared? 	can I not have been smearing?
can you not have been smearing?
can she not have been smearing?
can we not have been smearing?
can you not have been smearing?
can they not have been smearing?