| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [verb] that [adj] | 48 |
|
| 2 | difficult [to-vb] that [adj] | 48 |
|
| 3 | difficult [verb] that [adj] | 48 |
|
| 4 | difficult [verb] that [det] | 35 |
|
| 5 | difficult to believe that [adj] | 20 |
|
| 6 | difficult believe that [adj] | 20 |
|
| 7 | difficult [verb] that this | 16 |
|
| 8 | difficult [verb] that this | 16 |
|
| 9 | difficult [verb] that [adj] | 11 |
|
| 10 | difficult to argue that [adj] | 7 |
|
| 11 | difficult argue that [adj] | 7 |
|
| 12 | difficult [verb] that such | 5 |
|
| 13 | difficult [verb] that such | 5 |
|
