| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] about [adj] | 55 |
|
| 2 | [prep] [art] [noun sg] about six | 11 |
|
| 3 | [prep] a [noun sg] [adv] six | 10 |
|
| 4 | [prep] a [noun] about six | 5 |
|
