could plague
Verbe régulier : plague - plagued- plagued
Traduction française : tourmenter - harceler 

Affirmation 	
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I could plague
you could plague
he could plague
we could plague
you could plague
they could plague 	I could be plaguing
you could be plaguing
he could be plaguing
we could be plaguing
you could be plaguing
they could be plaguing	I could have plagued
you could have plagued
he could have plagued
we could have plagued
you could have plagued
they could have plagued	I could have been plaguing
you could have been plaguing
he could have been plaguing
we could have been plaguing
you could have been plaguing
they could have been plaguing	

Négation 	
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I couldn't plague
you couldn't plague
he couldn't plague
we couldn't plague
you couldn't plague
they couldn't plague 	I couldn't be plaguing
you couldn't be plaguing
he couldn't be plaguing
we couldn't be plaguing
you couldn't be plaguing
they couldn't be plaguing	I couldn't have plagued
you couldn't have plagued
he couldn't have plagued
we couldn't have plagued
you couldn't have plagued
they couldn't have plagued	I couldn't have been plaguing
you couldn't have been plaguing
he couldn't have been plaguing
we couldn't have been plaguing
you couldn't have been plaguing
they couldn't have been plaguing	

Forme interrogative 	
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could I plague?
could you plague?
could he plague?
could we plague?
could you plague?
could they plague? 	could I be plaguing?
could you be plaguing?
could he be plaguing?
could we be plaguing?
could you be plaguing?
could they be plaguing? 	could I have plagued?
could you have plagued?
could he have plagued?
could we have plagued?
could you have plagued?
could they have plagued? 	could I have been plaguing?
could you have been plaguing?
could he have been plaguing?
could we have been plaguing?
could you have been plaguing?
could they have been plaguing? 	

Forme interro-négative 	
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couldn't I plague?
couldn't you plague?
couldn't he plague?
couldn't we plague?
couldn't you plague?
couldn't they plague? 	couldn't I be plaguing?
couldn't you be plaguing?
couldn't he be plaguing?
couldn't we be plaguing?
couldn't you be plaguing?
couldn't they be plaguing? 	couldn't I have plagued?
couldn't you have plagued?
couldn't he have plagued?
couldn't we have plagued?
couldn't you have plagued?
couldn't they have plagued? 	couldn't I have been plaguing?
couldn't you have been plaguing?
couldn't he have been plaguing?
couldn't we have been plaguing?
couldn't you have been plaguing?
couldn't they have been plaguing?