| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] at [art] first | 6 |
|
| 2 | [prep] be [verb] at [art] first | 6 |
|
| 3 | [prep] [be] [verb] at [art] first | 6 |
|
| 4 | [prep] be [verb] at [art] first | 6 |
|
