| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] difficult [conj] [adj] | 96 |
|
| 2 | [be] difficult believe [conj] | 62 |
|
| 3 | [be] believe [conj] [adj] | 61 |
|
| 4 | difficult believe [conj] [adj] | 21 |
|
| 5 | [be] difficult believe [adj] | 5 |
|
