| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] from time to time | 33 |
|
| 2 | [noun pl] [vb base] [prep] time to time | 11 |
|
| 3 | [noun pl] [vb past] [prep] time to time | 9 |
|
| 4 | [noun pl] [v-ing] [prep] time to time | 6 |
|
