could misunderstand
Irregular verb: misunderstand - misunderstood- misunderstood

Affirmation 	
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I could misunderstand
you could misunderstand
she could misunderstand
we could misunderstand
you could misunderstand
they could misunderstand 	I could be misunderstanding
you could be misunderstanding
she could be misunderstanding
we could be misunderstanding
you could be misunderstanding
they could be misunderstanding	I could have misunderstood
you could have misunderstood
she could have misunderstood
we could have misunderstood
you could have misunderstood
they could have misunderstood	I could have been misunderstanding
you could have been misunderstanding
she could have been misunderstanding
we could have been misunderstanding
you could have been misunderstanding
they could have been misunderstanding	

Negation 	
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I couldn't misunderstand
you couldn't misunderstand
she couldn't misunderstand
we couldn't misunderstand
you couldn't misunderstand
they couldn't misunderstand 	I couldn't be misunderstanding
you couldn't be misunderstanding
she couldn't be misunderstanding
we couldn't be misunderstanding
you couldn't be misunderstanding
they couldn't be misunderstanding	I couldn't have misunderstood
you couldn't have misunderstood
she couldn't have misunderstood
we couldn't have misunderstood
you couldn't have misunderstood
they couldn't have misunderstood	I couldn't have been misunderstanding
you couldn't have been misunderstanding
she couldn't have been misunderstanding
we couldn't have been misunderstanding
you couldn't have been misunderstanding
they couldn't have been misunderstanding	

Interrogative form 	
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could I misunderstand?
could you misunderstand?
could she misunderstand?
could we misunderstand?
could you misunderstand?
could they misunderstand? 	could I be misunderstanding?
could you be misunderstanding?
could she be misunderstanding?
could we be misunderstanding?
could you be misunderstanding?
could they be misunderstanding? 	could I have misunderstood?
could you have misunderstood?
could she have misunderstood?
could we have misunderstood?
could you have misunderstood?
could they have misunderstood? 	could I have been misunderstanding?
could you have been misunderstanding?
could she have been misunderstanding?
could we have been misunderstanding?
could you have been misunderstanding?
could they have been misunderstanding? 	

Interro-negative form 	
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couldn't I misunderstand?
couldn't you misunderstand?
couldn't she misunderstand?
couldn't we misunderstand?
couldn't you misunderstand?
couldn't they misunderstand? 	couldn't I be misunderstanding?
couldn't you be misunderstanding?
couldn't she be misunderstanding?
couldn't we be misunderstanding?
couldn't you be misunderstanding?
couldn't they be misunderstanding? 	couldn't I have misunderstood?
couldn't you have misunderstood?
couldn't she have misunderstood?
couldn't we have misunderstood?
couldn't you have misunderstood?
couldn't they have misunderstood? 	couldn't I have been misunderstanding?
couldn't you have been misunderstanding?
couldn't she have been misunderstanding?
couldn't we have been misunderstanding?
couldn't you have been misunderstanding?
couldn't they have been misunderstanding?