| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] [det] [adj] [noun] | 1819 |
|
| 2 | [adj] [verb] [det] [adj] [noun] | 1283 |
|
| 3 | difficult [verb] [adj] [adj] [noun] | 91 |
|
| 4 | difficult [verb] [det] [adj] [noun] | 69 |
|
