| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [not/n't] a [adj] | 4095 |
|
| 2 | be [to-vb] a [adj] | 1621 |
|
| 3 | [not/n't] [to-vb] a [adj] | 200 |
|
| 4 | be [not/n't] [to-vb] [adj] | 177 |
|
| 5 | be [not/n't] [to-vb] a | 72 |
|
