| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they used [prep] [be] | 73 |
|
| 2 | [subord] they used [prep] [be] | 58 |
|
| 3 | where [pron] used [prep] [be] | 10 |
|
| 4 | where they [modal v] [prep] [be] | 6 |
|
| 5 | where they used [prep] [be] | 5 |
|
| 6 | where they used [prep] [be] | 5 |
|
