| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] up from time to time | 20 |
|
| 2 | crop up from time to time | 7 |
|
| 3 | [vb base] up from time to time | 7 |
|
| 4 | up from time to time [conj] | 5 |
|
