| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [verb] [pos pn] | 1828 |
|
| 2 | [pers pn] could hear [pron] | 320 |
|
| 3 | [pers pn] [modal v] hear [pos pn] | 144 |
|
| 4 | [pron] could hear [pos pn] | 99 |
|
