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