| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] [prep] [noun sg] | 32473 |
|
| 2 | [not/n't] a [noun sg] [prep] [noun sg] | 836 |
|
| 3 | [prep] [not/n't] a [noun sg] [prep] | 30 |
|
| 4 | [prep] [not/n't] a [noun sg] [noun sg] | 5 |
|
