| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] [prep] | 45056 |
|
| 2 | [num] [prep] about | 144 |
|
| 3 | [prep] [num] about | 46 |
|
| 4 | [prep] [prep] about | 14 |
|
