| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [ex0] could | 17 |
|
| 2 | [pron] there could | 17 |
|
| 3 | which [ex0] could | 11 |
|
| 4 | [Wh det] [ex0] could | 11 |
|
| 5 | which [ex0] could | 11 |
|
