| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [Wh det] it [be] | 696 |
|
| 2 | [Wh det] it [be] [pron] | 418 |
|
| 3 | [vb infin] it [be] [pron] | 204 |
|
| 4 | [vb infin] [Wh det] [be] [pron] | 58 |
|
