| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [noun] | 218 |
|
| 2 | [pers pn] could [noun] | 174 |
|
| 3 | they [modal v] [noun] | 157 |
|
| 4 | they could [noun] | 27 |
|
