| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [Wh adv] [pron] [modal v] | 652 |
|
| 2 | [is] [Wh adv] [pers pn] [modal v] | 632 |
|
| 3 | [is] [adv] they [modal v] | 91 |
|
| 4 | [be] [Wh adv] they [modal v] | 81 |
|
| 5 | [is] [Wh adv] they [modal v] | 73 |
|
