| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [prep] [noun sg] | 1481 |
|
| 2 | [pron] [vb past] at [noun sg] | 626 |
|
| 3 | they [vb past] at [noun] | 250 |
|
| 4 | they [verb] at [noun sg] | 173 |
|
