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