| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have | 5696 |
|
| 2 | there [modal v] have | 1092 |
|
| 3 | there could [vb infin] | 91 |
|
| 4 | there could [verb] | 91 |
|
| 5 | there could have | 74 |
|
