| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] for [det] [noun] | 33 |
|
| 2 | [been] used for [det] [noun] | 27 |
|
| 3 | [vb -s] [been] used for [noun] | 16 |
|
| 4 | [vb -s] [been] used for [det] | 11 |
|
