| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what have been [vb pp] in | 66 |
|
| 2 | what has been [verb] in | 52 |
|
| 3 | what have been [v-ing] in | 27 |
|
| 4 | what had been [verb] in | 24 |
|
| 5 | what have been happening in | 24 |
|
| 6 | what have been happen in | 24 |
|
| 7 | what 's been [verb] in | 16 |
|
| 8 | what have been done in | 12 |
|
| 9 | what have been do in | 12 |
|
| 10 | what have been say in | 11 |
|
| 11 | what have been said in | 11 |
|
| 12 | what have been achieve in | 7 |
|
| 13 | what have been achieved in | 7 |
|
