| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] difficult believe [conj] [adj] | 12 |
|
| 2 | [pron] [be] difficult believe [conj] [adj] | 12 |
|
| 3 | [pers pn] [be] difficult believe [conj] [adj] | 12 |
|
| 4 | it [be] difficult believe [conj] [adj] | 12 |
|
