| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [prep] [adj] [noun] | 163 |
|
| 2 | [conj] [prep] last [noun] | 126 |
|
| 3 | when [prep] [num ord] [noun] | 10 |
|
| 4 | when [prep] last [noun] | 6 |
|
| 5 | when [prep] last [noun] | 6 |
|
