| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] used [prep] [det] [noun] | 67 |
|
| 2 | not [been] [prep] [det] [noun] | 36 |
|
| 3 | not used [prep] [det] [noun] | 19 |
|
| 4 | not [been] used [prep] [det] | 8 |
|
| 5 | not [been] used [prep] [noun] | 7 |
|
