| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adj] it have been [verb] | 9 |
|
| 2 | how [adj] it [verb] been [verb] | 9 |
|
| 3 | how [adj] it [verb] been [verb] | 9 |
|
| 4 | how [adj] it [verb] been [to-vb] | 8 |
|
| 5 | how [adj] it had been [verb] | 5 |
|
| 6 | how difficult it [verb] been [verb] | 5 |
|
| 7 | how [adj] it [vb past] been [verb] | 5 |
|
| 8 | how difficult it [verb] been [verb] | 5 |
|
