| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when he [vb past] at [art] | 56 |
|
| 2 | he [vb past] [pers pn] at [art] | 50 |
|
| 3 | when he [vb past] [pers pn] [art] | 40 |
|
| 4 | when he [vb past] [pers pn] at | 12 |
|
