| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] [be] a [adj] | 368 |
|
| 2 | used [prep] [be] a [adj] | 117 |
|
| 3 | [adj] used [prep] [be] a | 20 |
|
| 4 | [adj] used [prep] [be] [adj] | 5 |
|
