| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be [adj] [Wh det] | 16 |
|
| 2 | not be sure [Wh det] | 13 |
|
| 3 | not be [adj] what | 11 |
|
| 4 | not be [adj] which | 7 |
|
