| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | trouble | trouble | troubles | trouble | trouble | trouble |
| Present continuous | am troubling | are troubling | is troubling | are troubling | are troubling | are troubling |
| Simple past | troubled | troubled | troubled | troubled | troubled | troubled |
| Past continuous | was troubling | were troubling | was troubling | were troubling | were troubling | were troubling |
| Simple future | will trouble | will trouble | will trouble | will trouble | will trouble | will trouble |
| Future continuous | will be troubling | will be troubling | will be troubling | will be troubling | will be troubling | will be troubling |
| Present perfect | have troubled | have troubled | has troubled | have troubled | have troubled | have troubled |
| Present perfect continuous | have been troubling | have been troubling | has been troubling | have been troubling | have been troubling | have been troubling |
| Present continuous | am troubling | are troubling | is troubling | are troubling | are troubling | are troubling |
| Past perfect | had troubled | had troubled | had troubled | had troubled | had troubled | had troubled |
| Past perfect continuous | had been troubling | had been troubling | had been troubling | had been troubling | had been troubling | had been troubling |
| Future perfect | will have troubled | will have troubled | will have troubled | will have troubled | will have troubled | will have troubled |
| Future perfect continuous | will have been troubling | will have been troubling | will have been troubling | will have been troubling | will have been troubling | will have been troubling |
| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | don't trouble | don't trouble | doesn't trouble | don't trouble | don't trouble | don't trouble |
| Present continuous | am not troubling | are not troubling | is not troubling | are not troubling | are not troubling | are not troubling |
| Simple past | didn't trouble | didn't trouble | didn't trouble | didn't trouble | didn't trouble | didn't trouble |
| Past continuous | was not troubling | were not troubling | was not troubling | were not troubling | were not troubling | were not troubling |
| Simple future | won't trouble | won't trouble | won't trouble | won't trouble | won't trouble | won't trouble |
| Future continuous | will not be troubling | will not be troubling | will not be troubling | will not be troubling | will not be troubling | will not be troubling |
| Present perfect | have not troubled | have not troubled | has not troubled | have not troubled | have not troubled | have not troubled |
| Present perfect continuous | have not been troubling | have not been troubling | has not been troubling | have not been troubling | have not been troubling | have not been troubling |
| Present continuous | am not troubling | are not troubling | is not troubling | are not troubling | are not troubling | are not troubling |
| Past perfect | had not troubled | had not troubled | had not troubled | had not troubled | had not troubled | had not troubled |
| Past perfect continuous | had not been troubling | had not been troubling | had not been troubling | had not been troubling | had not been troubling | had not been troubling |
| Future perfect | will have not troubled | will have not troubled | will have not troubled | will have not troubled | will have not troubled | will have not troubled |
| Future perfect continuous | will have not been troubling | will have not been troubling | will have not been troubling | will have not been troubling | will have not been troubling | will have not been troubling |