| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] at [art] [noun] 's | 8 |
|
| 2 | they [vb past] at [art] [noun sg] ['s] | 8 |
|
| 3 | they [vb past] at [art] [noun] ['s] | 8 |
|
| 4 | they [vb past] at the [noun] ['s] | 6 |
|
