| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] 15 march | 9 |
|
| 2 | [verb] on 15 march | 6 |
|
| 3 | [verb] on 15 march | 6 |
|
| 4 | [vb pp] [prep] 15 march | 5 |
|
