| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been for [det] [noun] | 31 |
|
| 2 | been used for [det] [noun] | 27 |
|
| 3 | has been used for [noun] | 14 |
|
| 4 | has been used for [det] | 10 |
|
