| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [adv] a [noun sg] | 3789 |
|
| 2 | [coord] [not/n't] [art] [noun sg] | 1544 |
|
| 3 | [conj] [not/n't] a [noun sg] | 685 |
|
| 4 | [coord] [not/n't] a [noun] | 586 |
|
