| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] at [noun] | 1003 |
|
| 2 | they [vb past] at [noun] | 250 |
|
| 3 | they [vb past] [adv] [noun] | 102 |
|
| 4 | they [vb past] [adv] at | 80 |
|
| 5 | they [adv] at [noun] | 21 |
|
