can boost
Regular verb: boost - boosted- boosted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can boost
you can boost
she can boost
we can boost
you can boost
they can boost 	I can be boosting
you can be boosting
she can be boosting
we can be boosting
you can be boosting
they can be boosting	I can have boosted
you can have boosted
she can have boosted
we can have boosted
you can have boosted
they can have boosted	I can have been boosting
you can have been boosting
she can have been boosting
we can have been boosting
you can have been boosting
they can have been boosting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't boost
you can't boost
she can't boost
we can't boost
you can't boost
they can't boost 	I can't be boosting
you can't be boosting
she can't be boosting
we can't be boosting
you can't be boosting
they can't be boosting	I can't have boosted
you can't have boosted
she can't have boosted
we can't have boosted
you can't have boosted
they can't have boosted	I can't have been boosting
you can't have been boosting
she can't have been boosting
we can't have been boosting
you can't have been boosting
they can't have been boosting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I boost?
can you boost?
can she boost?
can we boost?
can you boost?
can they boost? 	can I be boosting?
can you be boosting?
can she be boosting?
can we be boosting?
can you be boosting?
can they be boosting? 	can I have boosted?
can you have boosted?
can she have boosted?
can we have boosted?
can you have boosted?
can they have boosted? 	can I have been boosting?
can you have been boosting?
can she have been boosting?
can we have been boosting?
can you have been boosting?
can they have been boosting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I boost?
can't you boost?
can't she boost?
can't we boost?
can't you boost?
can't they boost? 	can't I be boosting?
can't you be boosting?
can't she be boosting?
can't we be boosting?
can't you be boosting?
can't they be boosting? 	can't I have boosted?
can't you have boosted?
can't she have boosted?
can't we have boosted?
can't you have boosted?
can't they have boosted? 	can't I have been boosting?
can't you have been boosting?
can't she have been boosting?
can't we have been boosting?
can't you have been boosting?
can't they have been boosting?