| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 490659 |
|
| 2 | [vb past] [prep] [noun] | 76120 |
|
| 3 | [vb past] a [noun] | 70870 |
|
| 4 | [vb past] [prep] a | 32941 |
|
