| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] vary from year to | 5 |
|
| 2 | [modal v] vary from year to | 5 |
|
| 3 | vary from year to [noun] | 10 |
|
| 4 | vary from year to year | 10 |
|
| 5 | vary from year to [noun sg] | 10 |
|
| 6 | vary from year to year | 10 |
|
