| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could | 87089 |
|
| 2 | there [modal v] | 21854 |
|
| 3 | there [vb mod] | 21854 |
|
| 4 | there could | 1235 |
|
| 5 | [ex0] could | 1235 |
|
| 6 | there could | 1235 |
|
