| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [verb] for | 1825 |
|
| 2 | [vb -s] [been] use [prep] | 328 |
|
| 3 | [verb] [been] use for | 200 |
|
| 4 | [vb -s] [be] use for | 72 |
|
