| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] used [prep] [adj] | 81 |
|
| 2 | not [been] used [prep] [adj] | 16 |
|
| 3 | [vb -s] not [been] [prep] [adj] | 15 |
|
| 4 | [vb -s] not [been] used [prep] | 14 |
|
