| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not to [be] [adj] | 50 |
|
| 2 | [is] not [prep] be [adj] | 50 |
|
| 3 | is not [prep] [be] [adj] | 47 |
|
| 4 | [is] not [prep] [be] confused | 27 |
|
