could lemmatize
Verbe régulier : lemmatize - lemmatized- lemmatized

Affirmation 	
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I could lemmatize
you could lemmatize
she could lemmatize
we could lemmatize
you could lemmatize
they could lemmatize 	I could be lemmatizing
you could be lemmatizing
she could be lemmatizing
we could be lemmatizing
you could be lemmatizing
they could be lemmatizing	I could have lemmatized
you could have lemmatized
she could have lemmatized
we could have lemmatized
you could have lemmatized
they could have lemmatized	I could have been lemmatizing
you could have been lemmatizing
she could have been lemmatizing
we could have been lemmatizing
you could have been lemmatizing
they could have been lemmatizing	

Négation 	
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I couldn't lemmatize
you couldn't lemmatize
she couldn't lemmatize
we couldn't lemmatize
you couldn't lemmatize
they couldn't lemmatize 	I couldn't be lemmatizing
you couldn't be lemmatizing
she couldn't be lemmatizing
we couldn't be lemmatizing
you couldn't be lemmatizing
they couldn't be lemmatizing	I couldn't have lemmatized
you couldn't have lemmatized
she couldn't have lemmatized
we couldn't have lemmatized
you couldn't have lemmatized
they couldn't have lemmatized	I couldn't have been lemmatizing
you couldn't have been lemmatizing
she couldn't have been lemmatizing
we couldn't have been lemmatizing
you couldn't have been lemmatizing
they couldn't have been lemmatizing	

Forme interrogative 	
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could I lemmatize?
could you lemmatize?
could she lemmatize?
could we lemmatize?
could you lemmatize?
could they lemmatize? 	could I be lemmatizing?
could you be lemmatizing?
could she be lemmatizing?
could we be lemmatizing?
could you be lemmatizing?
could they be lemmatizing? 	could I have lemmatized?
could you have lemmatized?
could she have lemmatized?
could we have lemmatized?
could you have lemmatized?
could they have lemmatized? 	could I have been lemmatizing?
could you have been lemmatizing?
could she have been lemmatizing?
could we have been lemmatizing?
could you have been lemmatizing?
could they have been lemmatizing? 	

Forme interro-négative 	
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couldn't I lemmatize?
couldn't you lemmatize?
couldn't she lemmatize?
couldn't we lemmatize?
couldn't you lemmatize?
couldn't they lemmatize? 	couldn't I be lemmatizing?
couldn't you be lemmatizing?
couldn't she be lemmatizing?
couldn't we be lemmatizing?
couldn't you be lemmatizing?
couldn't they be lemmatizing? 	couldn't I have lemmatized?
couldn't you have lemmatized?
couldn't she have lemmatized?
couldn't we have lemmatized?
couldn't you have lemmatized?
couldn't they have lemmatized? 	couldn't I have been lemmatizing?
couldn't you have been lemmatizing?
couldn't she have been lemmatizing?
couldn't we have been lemmatizing?
couldn't you have been lemmatizing?
couldn't they have been lemmatizing?