| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] from time to time | 11 |
|
| 2 | [vb past] [verb] [prep] time to time | 11 |
|
| 3 | [vb past] [verb] [prep] time to time | 11 |
|
| 4 | [vb past] [verb] from time to time | 11 |
|
