| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] used [prep] [adj] | 350 |
|
| 2 | [that] [modal v] [be] used [prep] | 150 |
|
| 3 | [that] [be] used [prep] [adj] | 16 |
|
| 4 | [that] [modal v] [be] [prep] [adj] | 11 |
|
