| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [prep] [num] a [noun sg] | 10 |
|
| 2 | [subord] in [num] a [noun sg] | 6 |
|
| 3 | [subord] in [num] a [noun sg] | 6 |
|
| 4 | when [prep] [num] a [noun sg] | 5 |
|
