| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it is [prep] be | 89 |
|
| 2 | [Wh det] it is to be | 83 |
|
| 3 | it is [prep] to be | 36 |
|
| 4 | [Wh det] it is [prep] to | 34 |
|
