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