| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] [vb -s] been used [prep] [adj] | 5 |
|
| 2 | that [vb -s] [be] used [prep] [adj] | 5 |
|
| 3 | [that] [vb -s] [been] used [prep] [adj] | 5 |
|
| 4 | [that] [vb -s] be used [prep] [adj] | 5 |
|
