| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [noun] | 19288 |
|
| 2 | [prep] about a [noun] | 241 |
|
| 3 | [vb past] [prep] about [noun] | 42 |
|
| 4 | [vb past] about a [noun] | 26 |
|
| 5 | [vb past] [prep] about a | 20 |
|
