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