| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when they [vb past] [prep] [noun] | 234 |
|
| 2 | when they [vb past] [prep] [pron] | 78 |
|
| 3 | they [vb past] [prep] [noun] [pron] | 64 |
|
| 4 | when they [vb past] [noun] [pron] | 16 |
|
