| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [noun prp] and | 65 |
|
| 2 | could hear [noun] and | 14 |
|
| 3 | [modal v] hear [noun prp] and | 11 |
|
| 4 | could hear [noun prp] [conj] | 8 |
|
