| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [adv prt] [art] | 307 |
|
| 2 | who [modal v] [verb] [adv prt] [art] | 79 |
|
| 3 | who could [verb] [adv] [art] | 14 |
|
