| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] from time to time | 24 |
|
| 2 | [was/were] [vb pp] from time to time | 23 |
|
| 3 | was [verb] from time to time | 13 |
|
| 4 | were [verb] from time to time | 11 |
|
