| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] they could [vb infin] [adv] | 68 |
|
| 2 | they could [vb infin] [pers pn] [adv] | 65 |
|
| 3 | [verb] they [vb infin] [pers pn] [adv] | 64 |
|
| 4 | [verb] they could [vb infin] [pers pn] | 34 |
|
| 5 | [verb] could [vb infin] [pers pn] [adv] | 7 |
|
