| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] added that | 40 |
|
| 2 | it [vb mod] be added that | 40 |
|
| 3 | it should [be] added that | 20 |
|
| 4 | it must [be] added that | 10 |
|
| 5 | it might [be] added that | 5 |
|
