| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] they [vb mod] [to-vb] | 72 |
|
| 2 | [Wh adv] they used [to-vb] | 61 |
|
| 3 | [Wh adv] they used [to-vb] | 61 |
|
| 4 | how they [modal v] [to-vb] | 31 |
|
| 5 | where they [modal v] [to-vb] | 31 |
|
| 6 | [Wh adv] they ought [to-vb] | 10 |
|
| 7 | [Wh adv] they ought [to-vb] | 10 |
|
| 8 | [Wh adv] they [modal v] to do | 9 |
|
| 9 | [Wh adv] they [modal v] to have | 6 |
|
| 10 | when they [modal v] [to-vb] | 5 |
|
