| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [prep] time to time | 12 |
|
| 2 | [prep] [noun prp] [prep] time to time | 12 |
|
| 3 | [noun prp] [verb] [prep] time to time | 7 |
|
| 4 | [noun prp] [noun] [prep] time to time | 5 |
|
