| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] could [verb] [pers pn] | 160 |
|
| 2 | did [pron] [pron] could [verb] | 53 |
|
| 3 | did [pron] [pron] [verb] [pers pn] | 23 |
|
