| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] [noun sg] | 102567 |
|
| 2 | about a [noun sg] [prep] | 411 |
|
| 3 | about a [noun sg] [noun sg] | 22 |
|
| 4 | about [noun sg] [prep] [noun sg] | 12 |
|
