| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [prep] time to time | 36 |
|
| 2 | [vb mod] [verb] [prep] time to time | 36 |
|
| 3 | [vb mod] vary [prep] time [prep] time | 11 |
|
| 4 | [vb mod] vary [prep] [noun sg] to time | 11 |
|
| 5 | [vb mod] vary [prep] time to time | 11 |
|
| 6 | [vb mod] vary [prep] [noun] to time | 11 |
|
| 7 | [vb mod] vary [prep] time to time | 11 |
|
| 8 | [vb mod] vary [prep] time to [noun sg] | 11 |
|
| 9 | [vb mod] vary [prep] time to [noun] | 11 |
|
| 10 | [vb mod] vary [prep] time [prep] time | 11 |
|
| 11 | [vb mod] vary [prep] time to time | 11 |
|
| 12 | [vb mod] vary [prep] time to time | 11 |
|
| 13 | [modal v] vary [prep] time to time | 11 |
|
| 14 | [vb mod] vary [prep] time to time | 11 |
|
