| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] when [pron] [verb] [prep] | 175 |
|
| 2 | [noun] when [pron] [verb] at | 171 |
|
| 3 | [noun prp] [conj] [pron] [verb] at | 101 |
|
| 4 | [noun prp] [subord] [pron] [verb] at | 49 |
|
| 5 | [noun prp] when [pron] [verb] at | 16 |
|
