| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [pron] from time to time | 10 |
|
| 2 | [to-vb] [pers pn] from time to time | 9 |
|
| 3 | [to-vb] they from time to time | 5 |
|
| 4 | [to-vb] them from time to time | 5 |
|
