| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not a sign [prep] [noun] | 16 |
|
| 2 | not [art] sign of [noun] | 15 |
|
| 3 | not [art] sign [prep] [noun sg] | 14 |
|
| 4 | not [art] sign [prep] [noun] | 14 |
|
