| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] a [adj] | 141 |
|
| 2 | used [prep] [be] a [adj] | 116 |
|
| 3 | used [prep] [be] [vb pp] [adj] | 14 |
|
| 4 | used [prep] [be] [vb pp] a | 10 |
|
