| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could at [adv] | 76 |
|
| 2 | she [modal v] at [adv] | 26 |
|
| 3 | she could at [adv] | 15 |
|
| 4 | she could [prep] [adv] | 15 |
|
