| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but not a [noun sg] [prep] [noun sg] | 13 |
|
| 2 | but [not/n't] a [noun sg] [prep] [noun sg] | 13 |
|
| 3 | but [not/n't] a [noun sg] [prep] [noun sg] | 12 |
|
| 4 | but [not/n't] a [noun sg] of [noun sg] | 9 |
|
