| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which has [been] [vb pp] [adj] | 20 |
|
| 2 | which [vb -s] been [vb pp] [adj] | 20 |
|
| 3 | which [vb -s] [been] [vb pp] available | 5 |
|
| 4 | which [vb -s] [been] made [adj] | 5 |
|
