| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about a [num] [noun pl] [prep] | 12 |
|
| 2 | of about a [num] [noun pl] [prep] | 6 |
|
| 3 | of about a [num] [noun pl] [prep] | 6 |
|
| 4 | [prep] about a hundred [noun pl] [prep] | 5 |
|
