| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | could not have [vb pp] a | 82 |
|
| 32 | could [adv] have [vb pp] a | 48 |
|
| 33 | could not have [vb pp] a | 44 |
|
| 34 | could n't have [vb pp] a | 38 |
|
| 35 | could hardly have [vb pp] a | 11 |
|
| 36 | could hardly have [vb pp] a | 11 |
|
| 37 | could easily have [vb pp] a | 9 |
|
| 38 | could easily have [vb pp] a | 9 |
|
| 39 | could never have [vb pp] a | 8 |
|
| 40 | could never have [vb pp] a | 8 |
|
| 41 | could well have [vb pp] a | 6 |
|
| 42 | could well have [vb pp] a | 6 |
|
| 43 | could [pron] have [vb pp] a | 5 |
|
| 44 | could [pers pn] have [vb pp] a | 5 |
|
| 45 | could have be [vb pp] a | 8 |
|
| 46 | could have been [vb pp] a | 8 |
|
| 47 | could have [been] [vb pp] a | 8 |
|
| 48 | could have [be] [vb pp] a | 8 |
|
| 49 | could have [adv] [vb pp] a | 6 |
|
| 50 | could have [adv] [vb pp] a | 6 |
|
| 51 | could have [vb pp] [prep] a | 75 |
|
| 52 | could have [vb pp] [prep] a | 75 |
|
| 53 | could have [vb pp] [pron] a | 37 |
|
| 54 | could have [vb pp] [pers pn] a | 33 |
|
| 55 | could have [vb pp] [det] a | 26 |
|
| 56 | could have [vb pp] [adj] a | 26 |
|
| 57 | could have [vb pp] with a | 24 |
|
| 58 | could have [vb pp] with a | 24 |
|
| 59 | could have [vb pp] such a | 22 |
|
| 60 | could have [vb pp] such a | 22 |
|
