| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it must be [prep] [to-vb] | 9 |
|
| 2 | [Wh det] it must be like [to-vb] | 9 |
|
| 3 | [Wh det] it must be [prep] [to-vb] | 9 |
|
| 4 | what it must be [prep] [to-vb] | 9 |
|
| 5 | [Wh det] it must be [prep] [to-vb] | 9 |
|
| 6 | [Wh det] it must be like [to-vb] | 9 |
|
