| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] vary from time to | 11 |
|
| 2 | [vb mod] vary from time to | 11 |
|
| 3 | will vary from time to | 7 |
|
| 4 | will vary from time to | 7 |
|
| 5 | vary from time to time | 19 |
|
| 6 | vary from time to [noun] | 19 |
|
| 7 | vary from time to [noun sg] | 19 |
|
| 8 | vary from time to time | 19 |
|
