| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [be] [verb] [art] | 21428 |
|
| 2 | [noun] [verb] [art] tough | 73 |
|
| 3 | [noun] [be] [art] tough | 36 |
|
| 4 | [be] [verb] [art] tough | 20 |
|
| 5 | [noun] [be] [verb] tough | 5 |
|
