| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [conj] the [noun] | 27755 |
|
| 2 | difficult [conj] [art] [noun] | 86 |
|
| 3 | difficult [conj] [art] [noun] | 86 |
|
| 4 | difficult [conj] the [noun] | 71 |
|
