| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] | 149082 |
|
| 2 | been [vb pp] | 125070 |
|
| 3 | [be] used | 23236 |
|
| 4 | be used | 23235 |
|
| 5 | been use | 2474 |
|
| 6 | [been] used | 2159 |
|
