| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [vb infin] | 4286 |
|
| 2 | [prep] they could | 208 |
|
| 3 | [prep] could [vb infin] | 20 |
|
| 4 | [prep] they [vb infin] | 8 |
|
