could underbake
Verbe régulier : underbake - underbaked- underbaked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could underbake
you could underbake
he could underbake
we could underbake
you could underbake
they could underbake 	I could be underbaking
you could be underbaking
he could be underbaking
we could be underbaking
you could be underbaking
they could be underbaking	I could have underbaked
you could have underbaked
he could have underbaked
we could have underbaked
you could have underbaked
they could have underbaked	I could have been underbaking
you could have been underbaking
he could have been underbaking
we could have been underbaking
you could have been underbaking
they could have been underbaking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't underbake
you couldn't underbake
he couldn't underbake
we couldn't underbake
you couldn't underbake
they couldn't underbake 	I couldn't be underbaking
you couldn't be underbaking
he couldn't be underbaking
we couldn't be underbaking
you couldn't be underbaking
they couldn't be underbaking	I couldn't have underbaked
you couldn't have underbaked
he couldn't have underbaked
we couldn't have underbaked
you couldn't have underbaked
they couldn't have underbaked	I couldn't have been underbaking
you couldn't have been underbaking
he couldn't have been underbaking
we couldn't have been underbaking
you couldn't have been underbaking
they couldn't have been underbaking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I underbake?
could you underbake?
could he underbake?
could we underbake?
could you underbake?
could they underbake? 	could I be underbaking?
could you be underbaking?
could he be underbaking?
could we be underbaking?
could you be underbaking?
could they be underbaking? 	could I have underbaked?
could you have underbaked?
could he have underbaked?
could we have underbaked?
could you have underbaked?
could they have underbaked? 	could I have been underbaking?
could you have been underbaking?
could he have been underbaking?
could we have been underbaking?
could you have been underbaking?
could they have been underbaking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I underbake?
couldn't you underbake?
couldn't he underbake?
couldn't we underbake?
couldn't you underbake?
couldn't they underbake? 	couldn't I be underbaking?
couldn't you be underbaking?
couldn't he be underbaking?
couldn't we be underbaking?
couldn't you be underbaking?
couldn't they be underbaking? 	couldn't I have underbaked?
couldn't you have underbaked?
couldn't he have underbaked?
couldn't we have underbaked?
couldn't you have underbaked?
couldn't they have underbaked? 	couldn't I have been underbaking?
couldn't you have been underbaking?
couldn't he have been underbaking?
couldn't we have been underbaking?
couldn't you have been underbaking?
couldn't they have been underbaking?