| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then at [art] [num ord] [noun sg] | 9 |
|
| 2 | then at the [num ord] [noun sg] | 9 |
|
| 3 | then at the [num ord] [noun sg] | 9 |
|
| 4 | then at [art] last [noun sg] | 6 |
|
