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