| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is a [noun sg] [prep] | 16468 |
|
| 2 | [not/n't] a [noun sg] [prep] | 3037 |
|
| 3 | is [not/n't] a [noun sg] | 2460 |
|
| 4 | is [not/n't] [noun sg] [prep] | 259 |
|
