| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could hear | 1076 |
|
| 2 | could hear [noun prp] | 104 |
|
| 3 | [pron] could [noun prp] | 25 |
|
| 4 | [pron] hear [noun prp] | 14 |
|
