| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [verb] [adv] [prep] [noun sg] | 60 |
|
| 2 | [vb mod] vary [adv] [prep] [noun sg] | 31 |
|
| 3 | [modal v] vary [adv] [prep] [noun sg] | 31 |
|
| 4 | may vary [adv] [prep] [noun] | 14 |
|
| 5 | may vary [adv] [prep] [noun sg] | 9 |
|
| 6 | may vary [adv] [prep] [noun sg] | 9 |
|
| 7 | may vary [adv] [prep] [noun sg] | 9 |
|
