| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [conj] | 37774 |
|
| 2 | [prep] a [noun] [conj] | 37774 |
|
| 3 | by [art] [noun] [conj] | 10211 |
|
| 4 | by a [noun] [conj] | 1400 |
|
