| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] [is] to be [vb pp] | 40 |
|
| 2 | [Wh adv] [pers pn] [is] to be [vb pp] | 40 |
|
| 3 | [Wh adv] [pron] is to be [vb pp] | 38 |
|
| 4 | [Wh adv] it [is] to be [vb pp] | 37 |
|
| 5 | [Wh adv] it [is] to be [vb pp] | 37 |
|
| 6 | how [pron] [is] to be [vb pp] | 28 |
|
| 7 | where [pron] [is] to be [vb pp] | 10 |
|
