| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] that [pron] could | 902 |
|
| 2 | [adj] that [pron] could | 740 |
|
| 3 | [vb past] [adj] that [pron] | 568 |
|
| 4 | [vb past] [adj] [pron] could | 84 |
|
