| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used [prep] a [adj] | 450 |
|
| 2 | [vb -s] [be] used [prep] a | 71 |
|
| 3 | [vb -s] [be] [prep] a [adj] | 62 |
|
| 4 | [vb -s] [be] used [prep] [adj] | 34 |
|
