| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [to-vb] [conj] the [adj] [noun] | 32 |
|
| 2 | [adj] [to-vb] [coord] the [adj] [noun] | 24 |
|
| 3 | [adj] [to-vb] [coord] the [adj] [noun] | 24 |
|
| 4 | difficult [to-vb] [coord] [art] [adj] [noun] | 6 |
|
| 5 | difficult [to-vb] [coord] [art] [adj] [noun] | 6 |
|
| 6 | difficult [to-vb] [coord] the [adj] [noun] | 6 |
|
| 7 | difficult [to-vb] [coord] the [adj] [noun] | 5 |
|
| 8 | difficult [verb] [coord] the [adj] [noun] | 5 |
|
| 9 | difficult [to-vb] [coord] the [adj] [noun] | 5 |
|
