| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] was the [num ord] [noun sg] [noun] | 5 |
|
| 2 | [Wh adv] [was/were] the last [noun sg] [noun] | 5 |
|
| 3 | when [was/were] the [num ord] [noun sg] [noun] | 5 |
|
