| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not a [noun] | 9514 |
|
| 2 | not a [noun sg] | 9285 |
|
| 3 | [adv] a period | 152 |
|
| 4 | not [art] period | 12 |
|
| 5 | not [art] period | 12 |
|
| 6 | not a period | 8 |
|
| 7 | not a period | 8 |
|
