English verb conjugation
CAN AMASS

Regular verb: amass - amassed - amassed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?