| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | undulate | undulate | undulates | undulate | undulate | undulate |
| Present continuous | am undulating | are undulating | is undulating | are undulating | are undulating | are undulating |
| Simple past | undulated | undulated | undulated | undulated | undulated | undulated |
| Simple past | was undulating | were undulating | was undulating | were undulating | were undulating | were undulating |
| Simple future | will undulate | will undulate | will undulate | will undulate | will undulate | will undulate |
| Future continuous | will be undulating | will be undulating | will be undulating | will be undulating | will be undulating | will be undulating |
| Present perfect | have undulated | have undulated | has undulated | have undulated | have undulated | have undulated |
| Present perfect continuous | have been undulating | have been undulating | has been undulating | have been undulating | have been undulating | have been undulating |
| Past perfect | had undulated | had undulated | had undulated | had undulated | had undulated | had undulated |
| Past perfect continuous | had been undulating | had been undulating | had been undulating | had been undulating | had been undulating | had been undulating |
| Future perfect | will have undulated | will have undulated | will have undulated | will have undulated | will have undulated | will have undulated |
| Future perfect continuous | will have been undulating | will have been undulating | will have been undulating | will have been undulating | will have been undulating | will have been undulating |
| Yksikön ensimmäinen persoona | Yksikön toinen persoona | Yksikön kolmas persoona | Monikon ensimmäinen persoona | Monikon toinen persoona | Monikon kolmas persoona | |
|---|---|---|---|---|---|---|
| Simple present | don't undulate | don't undulate | doesn't undulate | don't undulate | don't undulate | don't undulate |
| Present continuous | am not undulating | are not undulating | is not undulating | are not undulating | are not undulating | are not undulating |
| Simple past | didn't undulate | didn't undulate | didn't undulate | didn't undulate | didn't undulate | didn't undulate |
| Simple past | was not undulating | were not undulating | was not undulating | were not undulating | were not undulating | were not undulating |
| Simple future | won't undulate | won't undulate | won't undulate | won't undulate | won't undulate | won't undulate |
| Future continuous | will not be undulating | will not be undulating | will not be undulating | will not be undulating | will not be undulating | will not be undulating |
| Present perfect | have not undulated | have not undulated | has not undulated | have not undulated | have not undulated | have not undulated |
| Present perfect continuous | have not been undulating | have not been undulating | has not been undulating | have not been undulating | have not been undulating | have not been undulating |
| Past perfect | had not undulated | had not undulated | had not undulated | had not undulated | had not undulated | had not undulated |
| Past perfect continuous | had not been undulating | had not been undulating | had not been undulating | had not been undulating | had not been undulating | had not been undulating |
| Future perfect | will not have undulated | will not have undulated | will not have undulated | will not have undulated | will not have undulated | will not have undulated |
| Future perfect continuous | will not have been undulating | will not have been undulating | will not have been undulating | will not have been undulating | will not have been undulating | will not have been undulating |