| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [to-vb] that | 7496 |
|
| 2 | [adj] [to-vb] that | 6985 |
|
| 3 | difficult [to-vb] [conj] | 1092 |
|
| 4 | difficult [to-vb] [that] | 278 |
|
| 5 | difficult [verb] that | 278 |
|
| 6 | difficult [to-vb] that | 278 |
|
| 7 | difficult [to-vb] that | 278 |
|
