could boost
Verbe régulier : boost - boosted- boosted
Traduction française : faire monter - survolter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could boost
you could boost
she could boost
we could boost
you could boost
they could boost 	I could be boosting
you could be boosting
she could be boosting
we could be boosting
you could be boosting
they could be boosting	I could have boosted
you could have boosted
she could have boosted
we could have boosted
you could have boosted
they could have boosted	I could have been boosting
you could have been boosting
she could have been boosting
we could have been boosting
you could have been boosting
they could have been boosting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't boost
you couldn't boost
she couldn't boost
we couldn't boost
you couldn't boost
they couldn't boost 	I couldn't be boosting
you couldn't be boosting
she couldn't be boosting
we couldn't be boosting
you couldn't be boosting
they couldn't be boosting	I couldn't have boosted
you couldn't have boosted
she couldn't have boosted
we couldn't have boosted
you couldn't have boosted
they couldn't have boosted	I couldn't have been boosting
you couldn't have been boosting
she couldn't have been boosting
we couldn't have been boosting
you couldn't have been boosting
they couldn't have been boosting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I boost?
could you boost?
could she boost?
could we boost?
could you boost?
could they boost? 	could I be boosting?
could you be boosting?
could she be boosting?
could we be boosting?
could you be boosting?
could they be boosting? 	could I have boosted?
could you have boosted?
could she have boosted?
could we have boosted?
could you have boosted?
could they have boosted? 	could I have been boosting?
could you have been boosting?
could she have been boosting?
could we have been boosting?
could you have been boosting?
could they have been boosting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I boost?
couldn't you boost?
couldn't she boost?
couldn't we boost?
couldn't you boost?
couldn't they boost? 	couldn't I be boosting?
couldn't you be boosting?
couldn't she be boosting?
couldn't we be boosting?
couldn't you be boosting?
couldn't they be boosting? 	couldn't I have boosted?
couldn't you have boosted?
couldn't she have boosted?
couldn't we have boosted?
couldn't you have boosted?
couldn't they have boosted? 	couldn't I have been boosting?
couldn't you have been boosting?
couldn't she have been boosting?
couldn't we have been boosting?
couldn't you have been boosting?
couldn't they have been boosting?