could mew
Regular verb: mew - mewed- mewed

Affirmation 	
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I could mew
you could mew
she could mew
we could mew
you could mew
they could mew 	I could be mewing
you could be mewing
she could be mewing
we could be mewing
you could be mewing
they could be mewing	I could have mewed
you could have mewed
she could have mewed
we could have mewed
you could have mewed
they could have mewed	I could have been mewing
you could have been mewing
she could have been mewing
we could have been mewing
you could have been mewing
they could have been mewing	

Negation 	
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I couldn't mew
you couldn't mew
she couldn't mew
we couldn't mew
you couldn't mew
they couldn't mew 	I couldn't be mewing
you couldn't be mewing
she couldn't be mewing
we couldn't be mewing
you couldn't be mewing
they couldn't be mewing	I couldn't have mewed
you couldn't have mewed
she couldn't have mewed
we couldn't have mewed
you couldn't have mewed
they couldn't have mewed	I couldn't have been mewing
you couldn't have been mewing
she couldn't have been mewing
we couldn't have been mewing
you couldn't have been mewing
they couldn't have been mewing	

Interrogative form 	
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could I mew?
could you mew?
could she mew?
could we mew?
could you mew?
could they mew? 	could I be mewing?
could you be mewing?
could she be mewing?
could we be mewing?
could you be mewing?
could they be mewing? 	could I have mewed?
could you have mewed?
could she have mewed?
could we have mewed?
could you have mewed?
could they have mewed? 	could I have been mewing?
could you have been mewing?
could she have been mewing?
could we have been mewing?
could you have been mewing?
could they have been mewing? 	

Interro-negative form 	
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couldn't I mew?
couldn't you mew?
couldn't she mew?
couldn't we mew?
couldn't you mew?
couldn't they mew? 	couldn't I be mewing?
couldn't you be mewing?
couldn't she be mewing?
couldn't we be mewing?
couldn't you be mewing?
couldn't they be mewing? 	couldn't I have mewed?
couldn't you have mewed?
couldn't she have mewed?
couldn't we have mewed?
couldn't you have mewed?
couldn't they have mewed? 	couldn't I have been mewing?
couldn't you have been mewing?
couldn't she have been mewing?
couldn't we have been mewing?
couldn't you have been mewing?
couldn't they have been mewing?