| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [conj] [pers pn] | 20 |
|
| 2 | it must be [subord] [pers pn] | 17 |
|
| 3 | it must be because [pers pn] | 11 |
|
| 4 | it must be because [pers pn] | 11 |
|
