| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [adv] a | 1187 |
|
| 2 | is [adv] [prep] a | 886 |
|
| 3 | is not [adv] [prep] | 606 |
|
| 4 | not [adv] [prep] a | 536 |
|
| 5 | is not [prep] a | 146 |
|
