| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] [vb -s] at [art] | 14 |
|
| 2 | when [pers pn] [vb -s] at the | 12 |
|
| 3 | when [pers pn] [vb -s] at the | 12 |
|
| 4 | when he [vb -s] at [art] | 7 |
|
| 5 | when it [vb -s] at [art] | 5 |
|
