| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] vary from [noun] [prep] | 98 |
|
| 2 | [modal v] vary from [noun sg] [prep] | 97 |
|
| 3 | [modal v] [verb] from time [prep] | 36 |
|
| 4 | [modal v] vary from time [prep] | 11 |
|
| 5 | [modal v] vary [prep] time [prep] | 11 |
|
