| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [vb past] [pron] [modal v] [verb] | 1009 |
|
| 2 | [pron] [vb past] [pron] could [verb] | 920 |
|
| 3 | [pers pn] [vb past] [pron] could [verb] | 879 |
|
| 4 | he [verb] [pron] could [verb] | 251 |
|
| 5 | he [vb past] [pron] could [verb] | 224 |
|
