| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] have [verb] [noun sg] | 98 |
|
| 2 | they [vb mod] have [verb] [noun sg] | 98 |
|
| 3 | [pron] could have [verb] [noun sg] | 80 |
|
| 4 | they could have [verb] [noun] | 21 |
|
| 5 | they could [verb] [verb] [noun sg] | 20 |
|
| 6 | they could have [verb] [noun sg] | 12 |
|
