could twit
Verbe régulier : twit - twitted- twitted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could twit
you could twit
she could twit
we could twit
you could twit
they could twit 	I could be twitting
you could be twitting
she could be twitting
we could be twitting
you could be twitting
they could be twitting	I could have twitted
you could have twitted
she could have twitted
we could have twitted
you could have twitted
they could have twitted	I could have been twitting
you could have been twitting
she could have been twitting
we could have been twitting
you could have been twitting
they could have been twitting	

Négation 	
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I couldn't twit
you couldn't twit
she couldn't twit
we couldn't twit
you couldn't twit
they couldn't twit 	I couldn't be twitting
you couldn't be twitting
she couldn't be twitting
we couldn't be twitting
you couldn't be twitting
they couldn't be twitting	I couldn't have twitted
you couldn't have twitted
she couldn't have twitted
we couldn't have twitted
you couldn't have twitted
they couldn't have twitted	I couldn't have been twitting
you couldn't have been twitting
she couldn't have been twitting
we couldn't have been twitting
you couldn't have been twitting
they couldn't have been twitting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I twit?
could you twit?
could she twit?
could we twit?
could you twit?
could they twit? 	could I be twitting?
could you be twitting?
could she be twitting?
could we be twitting?
could you be twitting?
could they be twitting? 	could I have twitted?
could you have twitted?
could she have twitted?
could we have twitted?
could you have twitted?
could they have twitted? 	could I have been twitting?
could you have been twitting?
could she have been twitting?
could we have been twitting?
could you have been twitting?
could they have been twitting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I twit?
couldn't you twit?
couldn't she twit?
couldn't we twit?
couldn't you twit?
couldn't they twit? 	couldn't I be twitting?
couldn't you be twitting?
couldn't she be twitting?
couldn't we be twitting?
couldn't you be twitting?
couldn't they be twitting? 	couldn't I have twitted?
couldn't you have twitted?
couldn't she have twitted?
couldn't we have twitted?
couldn't you have twitted?
couldn't they have twitted? 	couldn't I have been twitting?
couldn't you have been twitting?
couldn't she have been twitting?
couldn't we have been twitting?
couldn't you have been twitting?
couldn't they have been twitting?