| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] be [adv] a | 4183 |
|
| 2 | [noun sg] be n't [adv] | 958 |
|
| 3 | be n't [adv] a | 307 |
|
| 4 | [noun sg] be n't a | 169 |
|
