| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun sg] | 210574 |
|
| 2 | [not/n't] a [adj] [noun sg] | 4711 |
|
| 3 | [not/n't] [prep] a [noun sg] | 1123 |
|
| 4 | [not/n't] [prep] [adj] [noun sg] | 680 |
|
| 5 | [not/n't] [prep] a [adj] | 547 |
|
