| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] not [prep] a [noun sg] | 29 |
|
| 2 | [subord] [not/n't] [prep] a [noun sg] | 28 |
|
| 3 | if [not/n't] [prep] a [noun sg] | 11 |
|
| 4 | [subord] [not/n't] in a [noun sg] | 9 |
|
| 5 | though [not/n't] [prep] a [noun sg] | 8 |
|
