| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] [noun] | 176264 |
|
| 2 | [verb] a [adj] [noun] | 159339 |
|
| 3 | [verb] [art] difficult [noun] | 283 |
|
| 4 | [verb] [art] difficult [noun] | 283 |
|
| 5 | [verb] a difficult [noun] | 183 |
|
| 6 | [verb] a difficult [noun] | 183 |
|
