
Regular verb: complain - complained - complained
Simple form | V-ing form | 
| I might complain you might complain he might complain we might complain you might complain they might complain  | I might be complaining you might be complaining he might be complaining we might be complaining you might be complaining they might be complaining  | 
Perfect | V-ing perfect | 
| I might have complained you might have complained he might have complained we might have complained you might have complained they might have complained  | I might have been complaining you might have been complaining he might have been complaining we might have been complaining you might have been complaining they might have been complaining  | 
Simple form | V-ing form | 
| I mightn't complain you mightn't complain he mightn't complain we mightn't complain you mightn't complain they mightn't complain  | I mightn't be complaining you mightn't be complaining he mightn't be complaining we mightn't be complaining you mightn't be complaining they mightn't be complaining  | 
Perfect | V-ing perfect | 
| I mightn't have complained you mightn't have complained he mightn't have complained we mightn't have complained you mightn't have complained they mightn't have complained  | I mightn't have been complaining you mightn't have been complaining he mightn't have been complaining we mightn't have been complaining you mightn't have been complaining they mightn't have been complaining  | 
Simple form | V-ing form | 
| might I complain? might you complain? might he complain? might we complain? might you complain? might they complain?  | might I be complaining? might you be complaining? might he be complaining? might we be complaining? might you be complaining? might they be complaining?  | 
Perfect | V-ing perfect | 
| might I have complained? might you have complained? might he have complained? might we have complained? might you have complained? might they have complained?  | might I have been complaining? might you have been complaining? might he have been complaining? might we have been complaining? might you have been complaining? might they have been complaining?  | 
Simple form | V-ing form | 
| mightn't I complain? mightn't you complain? mightn't he complain? mightn't we complain? mightn't you complain? mightn't they complain?  | mightn't I be complaining? mightn't you be complaining? mightn't he be complaining? mightn't we be complaining? mightn't you be complaining? mightn't they be complaining?  | 
Perfect | V-ing perfect | 
| mightn't I have complained? mightn't you have complained? mightn't he have complained? mightn't we have complained? mightn't you have complained? mightn't they have complained?  | mightn't I have been complaining? mightn't you have been complaining? mightn't he have been complaining? mightn't we have been complaining? mightn't you have been complaining? mightn't they have been complaining?  |