| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [prep] [det] [noun] | 471 |
|
| 2 | [pron] [vb past] at [det] [noun] | 416 |
|
| 3 | they [vb past] at [adj] [noun] | 182 |
|
| 4 | they [verb] at [det] [noun] | 180 |
|
