| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun sg] | 37578 |
|
| 2 | about a [noun sg] | 2984 |
|
| 3 | [vb pp] about [noun sg] | 482 |
|
| 4 | [vb pp] about a | 199 |
|
