| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not [adj] to have be | 6 |
|
| 2 | is [not/n't] [adj] to have be | 6 |
|
| 3 | [is] [not/n't] [adj] to have be | 6 |
|
| 4 | [is] [not/n't] [adj] to have been | 6 |
|
