| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not a [noun] [noun] | 762 |
|
| 2 | not contain a [noun] | 29 |
|
| 3 | contain a [noun] [noun] | 27 |
|
| 4 | not contain [noun] [noun] | 8 |
|
