| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is difficult [verb] [conj] | 164 |
|
| 2 | it is [adj] believe [conj] | 110 |
|
| 3 | it be difficult believe [conj] | 59 |
|
| 4 | it [be] difficult believe [conj] | 59 |
|
| 5 | it [is] difficult believe [conj] | 45 |
|
| 6 | [pron] is difficult believe [conj] | 42 |
|
| 7 | it is difficult believe [conj] | 42 |
|
| 8 | [pers pn] is difficult believe [conj] | 42 |
|
