can preclean
Regular verb: preclean - precleaned- precleaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can preclean
you can preclean
he can preclean
we can preclean
you can preclean
they can preclean 	I can be precleaning
you can be precleaning
he can be precleaning
we can be precleaning
you can be precleaning
they can be precleaning	I can have precleaned
you can have precleaned
he can have precleaned
we can have precleaned
you can have precleaned
they can have precleaned	I can have been precleaning
you can have been precleaning
he can have been precleaning
we can have been precleaning
you can have been precleaning
they can have been precleaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't preclean
you can't preclean
he can't preclean
we can't preclean
you can't preclean
they can't preclean 	I can't be precleaning
you can't be precleaning
he can't be precleaning
we can't be precleaning
you can't be precleaning
they can't be precleaning	I can't have precleaned
you can't have precleaned
he can't have precleaned
we can't have precleaned
you can't have precleaned
they can't have precleaned	I can't have been precleaning
you can't have been precleaning
he can't have been precleaning
we can't have been precleaning
you can't have been precleaning
they can't have been precleaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I preclean?
can you preclean?
can he preclean?
can we preclean?
can you preclean?
can they preclean? 	can I be precleaning?
can you be precleaning?
can he be precleaning?
can we be precleaning?
can you be precleaning?
can they be precleaning? 	can I have precleaned?
can you have precleaned?
can he have precleaned?
can we have precleaned?
can you have precleaned?
can they have precleaned? 	can I have been precleaning?
can you have been precleaning?
can he have been precleaning?
can we have been precleaning?
can you have been precleaning?
can they have been precleaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I preclean?
can't you preclean?
can't he preclean?
can't we preclean?
can't you preclean?
can't they preclean? 	can't I be precleaning?
can't you be precleaning?
can't he be precleaning?
can't we be precleaning?
can't you be precleaning?
can't they be precleaning? 	can't I have precleaned?
can't you have precleaned?
can't he have precleaned?
can't we have precleaned?
can't you have precleaned?
can't they have precleaned? 	can't I have been precleaning?
can't you have been precleaning?
can't he have been precleaning?
can't we have been precleaning?
can't you have been precleaning?
can't they have been precleaning?