| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] when [art] number | 5 |
|
| 2 | [prep] [num] when [art] number | 5 |
|
| 3 | [num] when [art] number [prep] | 10 |
|
| 4 | [num] when [art] number of | 10 |
|
| 5 | [num] when [art] number [prep] | 10 |
|
| 6 | [num] when [art] number of | 10 |
|
