| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] techniques that have | 7 |
|
| 2 | [adj] techniques that have | 6 |
|
| 3 | techniques that have been | 9 |
|
| 4 | techniques that have [be] | 9 |
|
| 5 | techniques that have [been] | 9 |
|
| 6 | techniques that have be | 9 |
|
