| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [conj] often a [noun] | 5 |
|
| 2 | [adj] [noun] [conj] often a [noun] | 5 |
|
| 3 | [noun] [conj] often [prep] a [noun] | 8 |
|
| 4 | [noun] [conj] often [prep] a [noun] | 8 |
|
| 5 | [noun] [conj] often [verb] a [noun] | 6 |
|
| 6 | [noun] [conj] often a [adj] [noun] | 5 |
|
