| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | slacken | slacken | slackens | slacken | slacken | slacken |
| Present continuous | am slackening | are slackening | is slackening | are slackening | are slackening | are slackening |
| Simple past | slackened | slackened | slackened | slackened | slackened | slackened |
| Simple past | was slackening | were slackening | was slackening | were slackening | were slackening | were slackening |
| Simple future | will slacken | will slacken | will slacken | will slacken | will slacken | will slacken |
| Future continuous | will be slackening | will be slackening | will be slackening | will be slackening | will be slackening | will be slackening |
| Present perfect | have slackened | have slackened | has slackened | have slackened | have slackened | have slackened |
| Present perfect continuous | have been slackening | have been slackening | has been slackening | have been slackening | have been slackening | have been slackening |
| Past perfect | had slackened | had slackened | had slackened | had slackened | had slackened | had slackened |
| Past perfect continuous | had been slackening | had been slackening | had been slackening | had been slackening | had been slackening | had been slackening |
| Future perfect | will have slackened | will have slackened | will have slackened | will have slackened | will have slackened | will have slackened |
| Future perfect continuous | will have been slackening | will have been slackening | will have been slackening | will have been slackening | will have been slackening | will have been slackening |
| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | don't slacken | don't slacken | doesn't slacken | don't slacken | don't slacken | don't slacken |
| Present continuous | am not slackening | are not slackening | is not slackening | are not slackening | are not slackening | are not slackening |
| Simple past | didn't slacken | didn't slacken | didn't slacken | didn't slacken | didn't slacken | didn't slacken |
| Simple past | was not slackening | were not slackening | was not slackening | were not slackening | were not slackening | were not slackening |
| Simple future | won't slacken | won't slacken | won't slacken | won't slacken | won't slacken | won't slacken |
| Future continuous | will not be slackening | will not be slackening | will not be slackening | will not be slackening | will not be slackening | will not be slackening |
| Present perfect | have not slackened | have not slackened | has not slackened | have not slackened | have not slackened | have not slackened |
| Present perfect continuous | have not been slackening | have not been slackening | has not been slackening | have not been slackening | have not been slackening | have not been slackening |
| Past perfect | had not slackened | had not slackened | had not slackened | had not slackened | had not slackened | had not slackened |
| Past perfect continuous | had not been slackening | had not been slackening | had not been slackening | had not been slackening | had not been slackening | had not been slackening |
| Future perfect | will not have slackened | will not have slackened | will not have slackened | will not have slackened | will not have slackened | will not have slackened |
| Future perfect continuous | will not have been slackening | will not have been slackening | will not have been slackening | will not have been slackening | will not have been slackening | will not have been slackening |