| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [prep] [be] a [adj] | 116 |
|
| 2 | it [prep] [be] a [adj] | 47 |
|
| 3 | it used [prep] [be] a | 45 |
|
| 4 | it used [prep] [be] [adj] | 29 |
|
