| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when we [vb past] at the | 31 |
|
| 2 | we [vb past] at the [noun prp] | 17 |
|
| 3 | when we [vb past] at [noun prp] | 16 |
|
| 4 | when we [vb past] the [noun prp] | 8 |
|
