| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] at [noun prp] | 154 |
|
| 2 | [vb past] [pers pn] at [noun prp] | 145 |
|
| 3 | they [vb past] [pers pn] at | 66 |
|
| 4 | they [vb past] [pers pn] [noun prp] | 43 |
|
