| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pers pn] [adv] [vb infin] [art] | 374 |
|
| 2 | could [pers pn] [adv] [vb infin] [art] | 85 |
|
| 3 | could [pron] [adv] [vb infin] [art] | 74 |
|
| 4 | could [pers pn] [adv] [verb] [art] | 72 |
|
