| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [adj] | 104698 |
|
| 2 | [be] [not/n't] [adj] | 41723 |
|
| 3 | [be] [not/n't] a | 10960 |
|
| 4 | [not/n't] a [adj] | 5930 |
|
