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