| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] an [noun sg] | 23560 |
|
| 2 | not [noun] [prep] [noun sg] | 194 |
|
| 3 | not [prep] an [noun sg] | 166 |
|
| 4 | not [noun] [prep] an | 21 |
|
