can amass
Regular verb: amass - amassed- amassed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can amass
you can amass
she can amass
we can amass
you can amass
they can amass 	I can be amassing
you can be amassing
she can be amassing
we can be amassing
you can be amassing
they can be amassing	I can have amassed
you can have amassed
she can have amassed
we can have amassed
you can have amassed
they can have amassed	I can have been amassing
you can have been amassing
she can have been amassing
we can have been amassing
you can have been amassing
they can have been amassing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't amass
you can't amass
she can't amass
we can't amass
you can't amass
they can't amass 	I can't be amassing
you can't be amassing
she can't be amassing
we can't be amassing
you can't be amassing
they can't be amassing	I can't have amassed
you can't have amassed
she can't have amassed
we can't have amassed
you can't have amassed
they can't have amassed	I can't have been amassing
you can't have been amassing
she can't have been amassing
we can't have been amassing
you can't have been amassing
they can't have been amassing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I amass?
can you amass?
can she amass?
can we amass?
can you amass?
can they amass? 	can I be amassing?
can you be amassing?
can she be amassing?
can we be amassing?
can you be amassing?
can they be amassing? 	can I have amassed?
can you have amassed?
can she have amassed?
can we have amassed?
can you have amassed?
can they have amassed? 	can I have been amassing?
can you have been amassing?
can she have been amassing?
can we have been amassing?
can you have been amassing?
can they have been amassing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I amass?
can't you amass?
can't she amass?
can't we amass?
can't you amass?
can't they amass? 	can't I be amassing?
can't you be amassing?
can't she be amassing?
can't we be amassing?
can't you be amassing?
can't they be amassing? 	can't I have amassed?
can't you have amassed?
can't she have amassed?
can't we have amassed?
can't you have amassed?
can't they have amassed? 	can't I have been amassing?
can't you have been amassing?
can't she have been amassing?
can't we have been amassing?
can't you have been amassing?
can't they have been amassing?