| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] difficult believe that | 59 |
|
| 2 | it [be] believe that [det] | 36 |
|
| 3 | [be] difficult believe that [det] | 11 |
|
| 4 | it [be] difficult believe [det] | 5 |
|
