| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used [prep] [be] | 1772 |
|
| 2 | we [modal v] [prep] [be] | 181 |
|
| 3 | we [vb mod] [prep] [be] | 181 |
|
| 4 | we used [prep] [be] | 44 |
|
| 5 | we used [prep] [be] | 44 |
|
