| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb past] [to-vb] | 3563 |
|
| 2 | [vb past] [to-vb] at | 1336 |
|
| 3 | we [vb past] at | 946 |
|
| 4 | we [to-vb] at | 69 |
|
