| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] been [verb] at [noun] | 8 |
|
| 2 | they [vb past] been at [art] [noun] | 9 |
|
| 3 | they [vb past] been at the [noun] | 9 |
|
| 4 | they [vb past] been at [art] [noun] | 9 |
|
| 5 | they [vb past] been at the [noun] | 9 |
|
