| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] [vb pp] how | 88 |
|
| 2 | had [not/n't] [vb pp] how | 58 |
|
| 3 | have n't [vb pp] how | 44 |
|
| 4 | have not [vb pp] how | 44 |
|
| 5 | have [not/n't] realised how | 23 |
|
| 6 | have [not/n't] [vb pp] how | 17 |
|
| 7 | have [not/n't] realized how | 14 |
|
| 8 | has [not/n't] [vb pp] how | 12 |
|
| 9 | have [not/n't] known how | 12 |
|
| 10 | have [not/n't] said how | 7 |
|
| 11 | have [not/n't] learned how | 6 |
|
