| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [verb] at | 461 |
|
| 2 | [pron] [verb] at first | 204 |
|
| 3 | [prep] [pron] at first | 48 |
|
| 4 | [prep] [pron] [verb] first | 12 |
|
| 5 | [prep] [verb] at first | 6 |
|
