could mistranslate
Regular verb: mistranslate - mistranslated- mistranslated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mistranslate
you could mistranslate
she could mistranslate
we could mistranslate
you could mistranslate
they could mistranslate 	I could be mistranslating
you could be mistranslating
she could be mistranslating
we could be mistranslating
you could be mistranslating
they could be mistranslating	I could have mistranslated
you could have mistranslated
she could have mistranslated
we could have mistranslated
you could have mistranslated
they could have mistranslated	I could have been mistranslating
you could have been mistranslating
she could have been mistranslating
we could have been mistranslating
you could have been mistranslating
they could have been mistranslating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mistranslate
you couldn't mistranslate
she couldn't mistranslate
we couldn't mistranslate
you couldn't mistranslate
they couldn't mistranslate 	I couldn't be mistranslating
you couldn't be mistranslating
she couldn't be mistranslating
we couldn't be mistranslating
you couldn't be mistranslating
they couldn't be mistranslating	I couldn't have mistranslated
you couldn't have mistranslated
she couldn't have mistranslated
we couldn't have mistranslated
you couldn't have mistranslated
they couldn't have mistranslated	I couldn't have been mistranslating
you couldn't have been mistranslating
she couldn't have been mistranslating
we couldn't have been mistranslating
you couldn't have been mistranslating
they couldn't have been mistranslating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mistranslate?
could you mistranslate?
could she mistranslate?
could we mistranslate?
could you mistranslate?
could they mistranslate? 	could I be mistranslating?
could you be mistranslating?
could she be mistranslating?
could we be mistranslating?
could you be mistranslating?
could they be mistranslating? 	could I have mistranslated?
could you have mistranslated?
could she have mistranslated?
could we have mistranslated?
could you have mistranslated?
could they have mistranslated? 	could I have been mistranslating?
could you have been mistranslating?
could she have been mistranslating?
could we have been mistranslating?
could you have been mistranslating?
could they have been mistranslating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mistranslate?
couldn't you mistranslate?
couldn't she mistranslate?
couldn't we mistranslate?
couldn't you mistranslate?
couldn't they mistranslate? 	couldn't I be mistranslating?
couldn't you be mistranslating?
couldn't she be mistranslating?
couldn't we be mistranslating?
couldn't you be mistranslating?
couldn't they be mistranslating? 	couldn't I have mistranslated?
couldn't you have mistranslated?
couldn't she have mistranslated?
couldn't we have mistranslated?
couldn't you have mistranslated?
couldn't they have mistranslated? 	couldn't I have been mistranslating?
couldn't you have been mistranslating?
couldn't she have been mistranslating?
couldn't we have been mistranslating?
couldn't you have been mistranslating?
couldn't they have been mistranslating?