| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] them from time to time | 9 |
|
| 2 | [prep] them from time to time | 5 |
|
| 3 | [prep] them from time to time | 5 |
|
| 4 | [to-vb] them from time to time | 5 |
|
