| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [adv] | 16401 |
|
| 2 | [vb past] they [adv] | 3672 |
|
| 3 | [vb past] they [modal v] | 1439 |
|
| 4 | [vb past] [modal v] [adv] | 208 |
|
