| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] from time to time be | 17 |
|
| 2 | [vb mod] from time to time [be] | 17 |
|
| 3 | [vb mod] from time to time be | 17 |
|
| 4 | may from time to time [be] | 12 |
|
