
Regular verb: amass - amassed - amassed
Simple form | V-ing form | 
| I might amass you might amass she might amass we might amass you might amass they might amass  | I might be amassing you might be amassing she might be amassing we might be amassing you might be amassing they might be amassing  | 
Perfect | V-ing perfect | 
| I might have amassed you might have amassed she might have amassed we might have amassed you might have amassed they might have amassed  | I might have been amassing you might have been amassing she might have been amassing we might have been amassing you might have been amassing they might have been amassing  | 
Simple form | V-ing form | 
| I mightn't amass you mightn't amass she mightn't amass we mightn't amass you mightn't amass they mightn't amass  | I mightn't be amassing you mightn't be amassing she mightn't be amassing we mightn't be amassing you mightn't be amassing they mightn't be amassing  | 
Perfect | V-ing perfect | 
| I mightn't have amassed you mightn't have amassed she mightn't have amassed we mightn't have amassed you mightn't have amassed they mightn't have amassed  | I mightn't have been amassing you mightn't have been amassing she mightn't have been amassing we mightn't have been amassing you mightn't have been amassing they mightn't have been amassing  | 
Simple form | V-ing form | 
| might I amass? might you amass? might she amass? might we amass? might you amass? might they amass?  | might I be amassing? might you be amassing? might she be amassing? might we be amassing? might you be amassing? might they be amassing?  | 
Perfect | V-ing perfect | 
| might I have amassed? might you have amassed? might she have amassed? might we have amassed? might you have amassed? might they have amassed?  | might I have been amassing? might you have been amassing? might she have been amassing? might we have been amassing? might you have been amassing? might they have been amassing?  | 
Simple form | V-ing form | 
| mightn't I amass? mightn't you amass? mightn't she amass? mightn't we amass? mightn't you amass? mightn't they amass?  | mightn't I be amassing? mightn't you be amassing? mightn't she be amassing? mightn't we be amassing? mightn't you be amassing? mightn't they be amassing?  | 
Perfect | V-ing perfect | 
| mightn't I have amassed? mightn't you have amassed? mightn't she have amassed? mightn't we have amassed? mightn't you have amassed? mightn't they have amassed?  | mightn't I have been amassing? mightn't you have been amassing? mightn't she have been amassing? mightn't we have been amassing? mightn't you have been amassing? mightn't they have been amassing?  |