| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] from time to time | 60 |
|
| 2 | [vb base] from time to time | 60 |
|
| 3 | [vb base] from time [prep] time | 60 |
|
| 4 | [vb base] from time [prep] time | 60 |
|
| 5 | have from time [prep] time | 8 |
|
| 6 | occur from time [prep] time | 5 |
|
| 7 | do from time [prep] time | 5 |
|
