| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when they [vb past] [verb] | 675 |
|
| 2 | they [vb past] [verb] [det] | 655 |
|
| 3 | when they [verb] [det] | 167 |
|
| 4 | when they [vb past] [det] | 75 |
|
