I'd be amassing you'd be amassing he'd be amassing we'd be amassing you'd be amassing they'd be amassing
Perfect
I should've amassed you should've amassed he should've amassed we should've amassed you should've amassed they should've amassed
V-ing perfect
I should've been amassing you should've been amassing he should've been amassing we should've been amassing you should've been amassing they should've been amassing
Negation
Simple form
I shouldn't amass you shouldn't amass he shouldn't amass we shouldn't amass you shouldn't amass they shouldn't amass
V-ing form
I shouldn't be amassing you shouldn't be amassing he shouldn't be amassing we shouldn't be amassing you shouldn't be amassing they shouldn't be amassing
Perfect
I shouldn't have amassed you shouldn't have amassed he shouldn't have amassed we shouldn't have amassed you shouldn't have amassed they shouldn't have amassed
V-ing perfect
I shouldn't have been amassing you shouldn't have been amassing he shouldn't have been amassing we shouldn't have been amassing you shouldn't have been amassing they shouldn't have been amassing
Interrogative form
Simple form
should I amass? should you amass? should he amass? should we amass? should you amass? should they amass?
V-ing form
should I be amassing? should you be amassing? should he be amassing? should we be amassing? should you be amassing? should they be amassing?
Perfect
should I have amassed? should you have amassed? should he have amassed? should we have amassed? should you have amassed? should they have amassed?
V-ing perfect
should I have been amassing? should you have been amassing? should he have been amassing? should we have been amassing? should you have been amassing? should they have been amassing?
Interro-negative form
Simple form
shouldn't I amass? shouldn't you amass? shouldn't he amass? shouldn't we amass? shouldn't you amass? shouldn't they amass?
V-ing form
shouldn't I be amassing? shouldn't you be amassing? shouldn't he be amassing? shouldn't we be amassing? shouldn't you be amassing? shouldn't they be amassing?
Perfect
shouldn't I have amassed? shouldn't you have amassed? shouldn't he have amassed? shouldn't we have amassed? shouldn't you have amassed? shouldn't they have amassed?
V-ing perfect
shouldn't I have been amassing? shouldn't you have been amassing? shouldn't he have been amassing? shouldn't we have been amassing? shouldn't you have been amassing? shouldn't they have been amassing?