| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [pron] | 9098 |
|
| 2 | [pers pn] could [verb] [pron] | 8306 |
|
| 3 | he [modal v] [verb] [pron] | 6942 |
|
| 4 | he could [verb] [pron] | 1534 |
|
