| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is to be | 334 |
|
| 2 | [Wh det] is to be | 334 |
|
| 3 | [Wh det] is to [be] | 334 |
|
| 4 | which is to [be] | 198 |
|
| 5 | what is to [be] | 133 |
|
