| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | slack up | slack up | slacks up | slack up | slack up | slack up |
| Present continuous | am slacking up | are slacking up | is slacking up | are slacking up | are slacking up | are slacking up |
| Simple past | slacked up | slacked up | slacked up | slacked up | slacked up | slacked up |
| Past continuous | was slacking up | were slacking up | was slacking up | were slacking up | were slacking up | were slacking up |
| Simple future | will slack up | will slack up | will slack up | will slack up | will slack up | will slack up |
| Future continuous | will be slacking up | will be slacking up | will be slacking up | will be slacking up | will be slacking up | will be slacking up |
| Present perfect | have slacked up | have slacked up | has slacked up | have slacked up | have slacked up | have slacked up |
| Present perfect continuous | have been slacking up | have been slacking up | has been slacking up | have been slacking up | have been slacking up | have been slacking up |
| Present continuous | am slacking up | are slacking up | is slacking up | are slacking up | are slacking up | are slacking up |
| Past perfect | had slacked up | had slacked up | had slacked up | had slacked up | had slacked up | had slacked up |
| Past perfect continuous | had been slacking up | had been slacking up | had been slacking up | had been slacking up | had been slacking up | had been slacking up |
| Future perfect | will have slacked up | will have slacked up | will have slacked up | will have slacked up | will have slacked up | will have slacked up |
| Future perfect continuous | will have been slacking up | will have been slacking up | will have been slacking up | will have been slacking up | will have been slacking up | will have been slacking up |
| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | don't slack up | don't slack up | doesn't slack up | don't slack up | don't slack up | don't slack up |
| Present continuous | am not slacking up | are not slacking up | is not slacking up | are not slacking up | are not slacking up | are not slacking up |
| Simple past | didn't slack up | didn't slack up | didn't slack up | didn't slack up | didn't slack up | didn't slack up |
| Past continuous | was not slacking up | were not slacking up | was not slacking up | were not slacking up | were not slacking up | were not slacking up |
| Simple future | won't slack up | won't slack up | won't slack up | won't slack up | won't slack up | won't slack up |
| Future continuous | will not be slacking up | will not be slacking up | will not be slacking up | will not be slacking up | will not be slacking up | will not be slacking up |
| Present perfect | have not slacked up | have not slacked up | has not slacked up | have not slacked up | have not slacked up | have not slacked up |
| Present perfect continuous | have not been slacking up | have not been slacking up | has not been slacking up | have not been slacking up | have not been slacking up | have not been slacking up |
| Present continuous | am not slacking up | are not slacking up | is not slacking up | are not slacking up | are not slacking up | are not slacking up |
| Past perfect | had not slacked up | had not slacked up | had not slacked up | had not slacked up | had not slacked up | had not slacked up |
| Past perfect continuous | had not been slacking up | had not been slacking up | had not been slacking up | had not been slacking up | had not been slacking up | had not been slacking up |
| Future perfect | will have not slacked up | will have not slacked up | will have not slacked up | will have not slacked up | will have not slacked up | will have not slacked up |
| Future perfect continuous | will have not been slacking up | will have not been slacking up | will have not been slacking up | will have not been slacking up | will have not been slacking up | will have not been slacking up |