| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be their [noun] | 417 |
|
| 2 | it be their [noun sg] | 356 |
|
| 3 | it be [pron] problem | 25 |
|
| 4 | [pron] be their problem | 8 |
|
| 5 | it [be] their problem | 7 |
|
| 6 | it be their problem | 7 |
|
