| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [adj] | 11918 |
|
| 2 | been [vb pp] [prep] [adj] | 10717 |
|
| 3 | be used [prep] [adj] | 2458 |
|
| 4 | [be] used [prep] [adj] | 2458 |
|
| 5 | been use [prep] [adj] | 275 |
|
| 6 | [been] used [prep] [adj] | 269 |
|
