| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how could [pron] have [be] [adj] | 7 |
|
| 2 | how could [pron] have [be] [adj] | 7 |
|
| 3 | [adv] could [pron] have [be] [adj] | 7 |
|
| 4 | [Wh adv] could [pron] have [be] [adj] | 7 |
|
| 5 | could [pron] have [be] [adv] [adj] | 19 |
|
| 6 | could [pron] have [be] [adv] [adj] | 19 |
|
| 7 | could [pron] have [be] so [adj] | 18 |
|
| 8 | could [pron] have [be] so [adj] | 18 |
|
