| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] have been as | 15 |
|
| 2 | [vb mod] [not/n't] have been as | 15 |
|
| 3 | might [not/n't] have been as | 5 |
|
| 4 | might [not/n't] have been as | 5 |
|
| 5 | [not/n't] have been as [adj] | 15 |
|
| 6 | [not/n't] have been as [adj] | 15 |
|
