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