| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [prep] [adj] | 580 |
|
| 2 | be used [prep] [num] | 44 |
|
| 3 | used [prep] [num] [adj] | 37 |
|
| 4 | be [prep] [num] [adj] | 26 |
|
