| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this approach have [been] | 38 |
|
| 2 | this approach have be | 38 |
|
| 3 | this approach have been | 38 |
|
| 4 | this approach has [be] | 31 |
|
| 5 | this approach have [be] | 6 |
|
