| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been done [prep] this | 13 |
|
| 2 | have [been] done [prep] this | 13 |
|
| 3 | have [been] done [prep] this | 13 |
|
| 4 | has [been] done [prep] this | 9 |
|
| 5 | have [been] done in this | 9 |
|
| 6 | have [been] done in this | 9 |
|
