| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] it be [prep] [to-vb] | 88 |
|
| 2 | [pron] it must be [prep] | 28 |
|
| 3 | it must be [prep] [to-vb] | 9 |
|
| 4 | [pron] must be [prep] [to-vb] | 9 |
|
