| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] have [vb pp] [prep] [art] | 183 |
|
| 2 | [modal v] [not/n't] have [vb pp] [prep] [art] | 183 |
|
| 3 | could [adv] have [vb pp] [prep] [art] | 131 |
|
| 4 | could [not/n't] [verb] [vb pp] [prep] [art] | 80 |
|
| 5 | could [not/n't] [vb infin] [vb pp] [prep] [art] | 80 |
|
| 6 | could [not/n't] have [vb pp] [prep] [art] | 73 |
|
| 7 | could [not/n't] have [vb pp] [prep] [art] | 73 |
|
| 8 | could [not/n't] have [verb] [prep] [art] | 73 |
|
| 9 | could [not/n't] have [vb pp] [prep] [art] | 73 |
|
| 10 | could [not/n't] have [vb pp] [prep] [art] | 73 |
|
