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