| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [Wh adv] [pron] [modal v] | 652 |
|
| 2 | [is] [adv] we [modal v] | 136 |
|
| 3 | [be] [Wh adv] we [modal v] | 126 |
|
