| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult believe that [art] [adj] | 6 |
|
| 2 | difficult believe that [art] [adj] | 6 |
|
| 3 | difficult to believe that [art] [adj] | 6 |
|
| 4 | difficult believe that [art] [adj] | 6 |
|
| 5 | difficult believe that the [adj] | 5 |
|
