| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [noun sg] | 721114 |
|
| 2 | [not/n't] a [noun sg] | 10563 |
|
| 3 | [not/n't] a [adj] | 7033 |
|
| 4 | [not/n't] [adj] [noun sg] | 1646 |
|
