| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] | 505738 |
|
| 2 | not a [noun sg] | 10556 |
|
| 3 | not [noun sg] [prep] | 1172 |
|
| 4 | not a [prep] | 8 |
|
