| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [prep] a | 13335 |
|
| 2 | [prep] a first | 695 |
|
| 3 | [noun prp] [prep] first | 137 |
|
| 4 | [noun prp] a first | 7 |
|
