| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [pron] could [vb infin] [verb] | 291 |
|
| 2 | [vb base] [pron] could [vb infin] [verb] | 124 |
|
| 3 | [vb base] that [pron] could [verb] | 98 |
|
| 4 | [vb base] that [pron] could [vb infin] | 97 |
|
