| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when the [noun] [prep] [num ord] | 7 |
|
| 2 | when the [noun] [prep] [num ord] | 7 |
|
| 3 | when the [noun sg] [prep] [num ord] | 6 |
|
| 4 | when the [noun] at [num ord] | 6 |
|
| 5 | when the [noun] [prep] last | 6 |
|
