| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] from time to time | 16 |
|
| 2 | [vb base] [verb] from time to time | 16 |
|
| 3 | have [verb] from time to time | 10 |
|
| 4 | [vb base] [vb pp] from time to time | 8 |
|
| 5 | [vb base] [to-vb] from time to time | 5 |
|
