| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have [vb pp] [adv prt] of | 11 |
|
| 2 | [pron] could have [vb pp] [adv prt] of | 11 |
|
| 3 | could [adv] have [vb pp] [adv prt] of | 5 |
|
| 4 | could have [vb pp] [adv prt] of [art] | 10 |
|
| 5 | could have [vb pp] [adv prt] of [art] | 10 |
|
| 6 | could have [vb pp] [adv prt] of the | 5 |
|
| 7 | could have [vb pp] [adv prt] of the | 5 |
|
