| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [to-vb] [conj] | 1347 |
|
| 2 | [is] not [to-vb] | 1201 |
|
| 3 | not [to-vb] [conj] | 943 |
|
| 4 | [is] not [conj] | 867 |
|
