| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know what have been | 11 |
|
| 2 | [not/n't] know what have been | 11 |
|
| 3 | not know what have been | 11 |
|
| 4 | n't know what have been | 6 |
|
| 5 | not know what have been | 5 |
|
| 6 | know what [pron] have been | 18 |
|
| 7 | know what [pers pn] have been | 18 |
|
| 8 | know what [noun] have been | 6 |
|
| 9 | know what have been [verb] | 12 |
|
| 10 | know what have been [vb pp] | 6 |
|
| 11 | know what have been [v-ing] | 6 |
|
| 12 | know what have been go | 5 |
|
