| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be say that [det] | 10 |
|
| 2 | it must be say [that] [det] | 10 |
|
| 3 | it must be said [that] [det] | 10 |
|
| 4 | it must be say [that] this | 6 |
|
