| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] have [verb] their [noun] | 136 |
|
| 2 | could [adv] [verb] their [noun] | 90 |
|
| 3 | could [adv] have [verb] [noun] | 32 |
|
| 4 | could have [verb] their [noun] | 27 |
|
| 5 | could [adv] have [verb] their | 13 |
|
