could sauce
Regular verb: sauce - sauced- sauced

Affirmation 	
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I could sauce
you could sauce
he could sauce
we could sauce
you could sauce
they could sauce 	I could be saucing
you could be saucing
he could be saucing
we could be saucing
you could be saucing
they could be saucing	I could have sauced
you could have sauced
he could have sauced
we could have sauced
you could have sauced
they could have sauced	I could have been saucing
you could have been saucing
he could have been saucing
we could have been saucing
you could have been saucing
they could have been saucing	

Negation 	
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I couldn't sauce
you couldn't sauce
he couldn't sauce
we couldn't sauce
you couldn't sauce
they couldn't sauce 	I couldn't be saucing
you couldn't be saucing
he couldn't be saucing
we couldn't be saucing
you couldn't be saucing
they couldn't be saucing	I couldn't have sauced
you couldn't have sauced
he couldn't have sauced
we couldn't have sauced
you couldn't have sauced
they couldn't have sauced	I couldn't have been saucing
you couldn't have been saucing
he couldn't have been saucing
we couldn't have been saucing
you couldn't have been saucing
they couldn't have been saucing	

Interrogative form 	
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could I sauce?
could you sauce?
could he sauce?
could we sauce?
could you sauce?
could they sauce? 	could I be saucing?
could you be saucing?
could he be saucing?
could we be saucing?
could you be saucing?
could they be saucing? 	could I have sauced?
could you have sauced?
could he have sauced?
could we have sauced?
could you have sauced?
could they have sauced? 	could I have been saucing?
could you have been saucing?
could he have been saucing?
could we have been saucing?
could you have been saucing?
could they have been saucing? 	

Interro-negative form 	
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couldn't I sauce?
couldn't you sauce?
couldn't he sauce?
couldn't we sauce?
couldn't you sauce?
couldn't they sauce? 	couldn't I be saucing?
couldn't you be saucing?
couldn't he be saucing?
couldn't we be saucing?
couldn't you be saucing?
couldn't they be saucing? 	couldn't I have sauced?
couldn't you have sauced?
couldn't he have sauced?
couldn't we have sauced?
couldn't you have sauced?
couldn't they have sauced? 	couldn't I have been saucing?
couldn't you have been saucing?
couldn't he have been saucing?
couldn't we have been saucing?
couldn't you have been saucing?
couldn't they have been saucing?