| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [is] to be | 77 |
|
| 2 | [Wh adv] [pron] [is] to be | 48 |
|
| 3 | [prep] [Wh adv] [pron] [is] to | 13 |
|
