can commission
Regular verb: commission - commissioned- commissioned

Affirmation 	
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I can commission
you can commission
he can commission
we can commission
you can commission
they can commission 	I can be commissioning
you can be commissioning
he can be commissioning
we can be commissioning
you can be commissioning
they can be commissioning	I can have commissioned
you can have commissioned
he can have commissioned
we can have commissioned
you can have commissioned
they can have commissioned	I can have been commissioning
you can have been commissioning
he can have been commissioning
we can have been commissioning
you can have been commissioning
they can have been commissioning	

Negation 	
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I can't commission
you can't commission
he can't commission
we can't commission
you can't commission
they can't commission 	I can't be commissioning
you can't be commissioning
he can't be commissioning
we can't be commissioning
you can't be commissioning
they can't be commissioning	I can't have commissioned
you can't have commissioned
he can't have commissioned
we can't have commissioned
you can't have commissioned
they can't have commissioned	I can't have been commissioning
you can't have been commissioning
he can't have been commissioning
we can't have been commissioning
you can't have been commissioning
they can't have been commissioning	

Interrogative form 	
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can I commission?
can you commission?
can he commission?
can we commission?
can you commission?
can they commission? 	can I be commissioning?
can you be commissioning?
can he be commissioning?
can we be commissioning?
can you be commissioning?
can they be commissioning? 	can I have commissioned?
can you have commissioned?
can he have commissioned?
can we have commissioned?
can you have commissioned?
can they have commissioned? 	can I have been commissioning?
can you have been commissioning?
can he have been commissioning?
can we have been commissioning?
can you have been commissioning?
can they have been commissioning? 	

Interro-negative form 	
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can't I commission?
can't you commission?
can't he commission?
can't we commission?
can't you commission?
can't they commission? 	can't I be commissioning?
can't you be commissioning?
can't he be commissioning?
can't we be commissioning?
can't you be commissioning?
can't they be commissioning? 	can't I have commissioned?
can't you have commissioned?
can't he have commissioned?
can't we have commissioned?
can't you have commissioned?
can't they have commissioned? 	can't I have been commissioning?
can't you have been commissioning?
can't he have been commissioning?
can't we have been commissioning?
can't you have been commissioning?
can't they have been commissioning?