could reservice
Regular verb: reservice - reserviced- reserviced

Affirmation 	
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I could reservice
you could reservice
he could reservice
we could reservice
you could reservice
they could reservice 	I could be reservicing
you could be reservicing
he could be reservicing
we could be reservicing
you could be reservicing
they could be reservicing	I could have reserviced
you could have reserviced
he could have reserviced
we could have reserviced
you could have reserviced
they could have reserviced	I could have been reservicing
you could have been reservicing
he could have been reservicing
we could have been reservicing
you could have been reservicing
they could have been reservicing	

Negation 	
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I couldn't reservice
you couldn't reservice
he couldn't reservice
we couldn't reservice
you couldn't reservice
they couldn't reservice 	I couldn't be reservicing
you couldn't be reservicing
he couldn't be reservicing
we couldn't be reservicing
you couldn't be reservicing
they couldn't be reservicing	I couldn't have reserviced
you couldn't have reserviced
he couldn't have reserviced
we couldn't have reserviced
you couldn't have reserviced
they couldn't have reserviced	I couldn't have been reservicing
you couldn't have been reservicing
he couldn't have been reservicing
we couldn't have been reservicing
you couldn't have been reservicing
they couldn't have been reservicing	

Interrogative form 	
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could I reservice?
could you reservice?
could he reservice?
could we reservice?
could you reservice?
could they reservice? 	could I be reservicing?
could you be reservicing?
could he be reservicing?
could we be reservicing?
could you be reservicing?
could they be reservicing? 	could I have reserviced?
could you have reserviced?
could he have reserviced?
could we have reserviced?
could you have reserviced?
could they have reserviced? 	could I have been reservicing?
could you have been reservicing?
could he have been reservicing?
could we have been reservicing?
could you have been reservicing?
could they have been reservicing? 	

Interro-negative form 	
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couldn't I reservice?
couldn't you reservice?
couldn't he reservice?
couldn't we reservice?
couldn't you reservice?
couldn't they reservice? 	couldn't I be reservicing?
couldn't you be reservicing?
couldn't he be reservicing?
couldn't we be reservicing?
couldn't you be reservicing?
couldn't they be reservicing? 	couldn't I have reserviced?
couldn't you have reserviced?
couldn't he have reserviced?
couldn't we have reserviced?
couldn't you have reserviced?
couldn't they have reserviced? 	couldn't I have been reservicing?
couldn't you have been reservicing?
couldn't he have been reservicing?
couldn't we have been reservicing?
couldn't you have been reservicing?
couldn't they have been reservicing?