| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [prep] [noun prp] | 972 |
|
| 2 | [conj] we [vb past] [prep] [noun prp] | 320 |
|
| 3 | when we [vb past] [prep] [noun] | 193 |
|
| 4 | when we [verb] [prep] [noun prp] | 183 |
|
