can ballast
Regular verb: ballast - ballasted- ballasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ballast
you can ballast
he can ballast
we can ballast
you can ballast
they can ballast 	I can be ballasting
you can be ballasting
he can be ballasting
we can be ballasting
you can be ballasting
they can be ballasting	I can have ballasted
you can have ballasted
he can have ballasted
we can have ballasted
you can have ballasted
they can have ballasted	I can have been ballasting
you can have been ballasting
he can have been ballasting
we can have been ballasting
you can have been ballasting
they can have been ballasting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot ballast
you cannot ballast
he cannot ballast
we cannot ballast
you cannot ballast
they cannot ballast 	I cannot be ballasting
you cannot be ballasting
he cannot be ballasting
we cannot be ballasting
you cannot be ballasting
they cannot be ballasting	I cannot have ballasted
you cannot have ballasted
he cannot have ballasted
we cannot have ballasted
you cannot have ballasted
they cannot have ballasted	I cannot have been ballasting
you cannot have been ballasting
he cannot have been ballasting
we cannot have been ballasting
you cannot have been ballasting
they cannot have been ballasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ballast?
can you ballast?
can he ballast?
can we ballast?
can you ballast?
can they ballast? 	can I be ballasting?
can you be ballasting?
can he be ballasting?
can we be ballasting?
can you be ballasting?
can they be ballasting? 	can I have ballasted?
can you have ballasted?
can he have ballasted?
can we have ballasted?
can you have ballasted?
can they have ballasted? 	can I have been ballasting?
can you have been ballasting?
can he have been ballasting?
can we have been ballasting?
can you have been ballasting?
can they have been ballasting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not ballast?
can you not ballast?
can he not ballast?
can we not ballast?
can you not ballast?
can they not ballast? 	can I not be ballasting?
can you not be ballasting?
can he not be ballasting?
can we not be ballasting?
can you not be ballasting?
can they not be ballasting? 	can I not have ballasted?
can you not have ballasted?
can he not have ballasted?
can we not have ballasted?
can you not have ballasted?
can they not have ballasted? 	can I not have been ballasting?
can you not have been ballasting?
can he not have been ballasting?
can we not have been ballasting?
can you not have been ballasting?
can they not have been ballasting?