| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [adj] | 104689 |
|
| 2 | be [not/n't] [adj] | 41717 |
|
| 3 | be [not/n't] a | 10956 |
|
| 4 | [not/n't] a [adj] | 5930 |
|
