| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] at a | 83 |
|
| 2 | they stopped at a | 14 |
|
| 3 | they sat at a | 12 |
|
| 4 | they arrived at a | 7 |
|
| 5 | they met at a | 6 |
|
