| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [noun] | 80004 |
|
| 2 | [prep] [noun] [noun] [conj] | 60747 |
|
| 3 | [prep] a [noun] [conj] | 37774 |
|
| 4 | a [noun] [noun] [conj] | 16936 |
|
