| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pron] [be] [adv] a | 2439 |
|
| 2 | [conj] [pron] [be] not a | 1250 |
|
| 3 | [coord] [pron] [be] not [art] | 835 |
|
| 4 | [coord] [pron] [be] [not/n't] a | 673 |
|
| 5 | [coord] [pron] [be] not a | 671 |
|
