| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been | 33841 |
|
| 2 | have [adv] been | 24457 |
|
| 3 | have hitherto been | 163 |
|
| 4 | have hitherto [be] | 163 |
|
| 5 | have hitherto [been] | 163 |
|
| 6 | [verb] hitherto been | 163 |
|
| 7 | have hitherto be | 163 |
|
