| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] have [been] [det] | 80 |
|
| 2 | [vb mod] [not/n't] have [been] [det] | 80 |
|
| 3 | can [not/n't] have [been] [adj] | 34 |
|
| 4 | can [not/n't] have [been] [det] | 11 |
|
| 5 | can [adv] have [been] [det] | 6 |
|
| 6 | can [not/n't] [vb infin] [been] [det] | 5 |
|
| 7 | can [not/n't] [verb] [been] [det] | 5 |
|
| 8 | can [not/n't] have [be] [det] | 5 |
|
| 9 | can [not/n't] have [been] [det] | 5 |
|
