| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [vb mod] from time to time | 9 |
|
| 2 | as [modal v] from time to time | 9 |
|
| 3 | [subord] may from time to time | 8 |
|
| 4 | [subord] may from time to time | 8 |
|
