| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [was/were] [verb] on [num] april | 17 |
|
| 2 | [noun sg] [was/were] [vb pp] on [num] april | 17 |
|
| 3 | [noun sg] was [verb] on [num] april | 16 |
|
| 4 | [noun sg] [was/were] [verb] on 1 april | 5 |
|
