| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] [det] [prep] | 274 |
|
| 2 | [been] [vb pp] [prep] [det] [prep] | 234 |
|
| 3 | [be] used [prep] [det] [prep] | 53 |
|
| 4 | [been] used [prep] [adj] [prep] | 19 |
|
| 5 | [been] use [prep] [det] [prep] | 8 |
|
