
Irregular verb: swim - swam - swum
Simple form | V-ing form | 
| I might swim you might swim he might swim we might swim you might swim they might swim  | I might be swimming you might be swimming he might be swimming we might be swimming you might be swimming they might be swimming  | 
Perfect | V-ing perfect | 
| I might have swum you might have swum he might have swum we might have swum you might have swum they might have swum  | I might have been swimming you might have been swimming he might have been swimming we might have been swimming you might have been swimming they might have been swimming  | 
Simple form | V-ing form | 
| I mightn't swim you mightn't swim he mightn't swim we mightn't swim you mightn't swim they mightn't swim  | I mightn't be swimming you mightn't be swimming he mightn't be swimming we mightn't be swimming you mightn't be swimming they mightn't be swimming  | 
Perfect | V-ing perfect | 
| I mightn't have swum you mightn't have swum he mightn't have swum we mightn't have swum you mightn't have swum they mightn't have swum  | I mightn't have been swimming you mightn't have been swimming he mightn't have been swimming we mightn't have been swimming you mightn't have been swimming they mightn't have been swimming  | 
Simple form | V-ing form | 
| might I swim? might you swim? might he swim? might we swim? might you swim? might they swim?  | might I be swimming? might you be swimming? might he be swimming? might we be swimming? might you be swimming? might they be swimming?  | 
Perfect | V-ing perfect | 
| might I have swum? might you have swum? might he have swum? might we have swum? might you have swum? might they have swum?  | might I have been swimming? might you have been swimming? might he have been swimming? might we have been swimming? might you have been swimming? might they have been swimming?  | 
Simple form | V-ing form | 
| mightn't I swim? mightn't you swim? mightn't he swim? mightn't we swim? mightn't you swim? mightn't they swim?  | mightn't I be swimming? mightn't you be swimming? mightn't he be swimming? mightn't we be swimming? mightn't you be swimming? mightn't they be swimming?  | 
Perfect | V-ing perfect | 
| mightn't I have swum? mightn't you have swum? mightn't he have swum? mightn't we have swum? mightn't you have swum? mightn't they have swum?  | mightn't I have been swimming? mightn't you have been swimming? mightn't he have been swimming? mightn't we have been swimming? mightn't you have been swimming? mightn't they have been swimming?  |