| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [prep] [art] | 18581 |
|
| 2 | [is] not [art] | 12201 |
|
| 3 | not [prep] [art] | 8431 |
|
| 4 | [is] not [prep] | 4570 |
|
