| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [pers pn] have [vb pp] [adj] | 34 |
|
| 2 | could [pron] have [vb pp] [det] | 31 |
|
| 3 | could [pron] have [vb pp] that | 11 |
|
| 4 | could [pron] have [vb pp] that | 11 |
|
| 5 | could [pron] have done [adj] | 11 |
|
| 6 | could [pron] have [vb pp] such | 9 |
|
| 7 | could [pron] have [vb pp] such | 9 |
|
| 8 | could she have [vb pp] [adj] | 8 |
|
| 9 | could he have [vb pp] [adj] | 8 |
|
| 10 | could he have [vb pp] [adj] | 8 |
|
| 11 | could she have [vb pp] [adj] | 8 |
|
| 12 | could you have [vb pp] [adj] | 6 |
|
| 13 | could you have [vb pp] [adj] | 6 |
|
| 14 | could i have [vb pp] [adj] | 5 |
|
| 15 | could i have [vb pp] [adj] | 5 |
|
