| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [vb past] [prep] a | 698 |
|
| 2 | we [vb past] [prep] [det] | 565 |
|
| 3 | [vb past] [prep] a [det] | 290 |
|
| 4 | we [vb past] a [det] | 95 |
|
