| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [prep] [art] | 3987 |
|
| 2 | not be [vb pp] [prep] [art] | 2350 |
|
| 3 | should not be [vb pp] [prep] | 964 |
|
| 4 | should not be [prep] [art] | 58 |
|
| 5 | should not be [vb pp] [art] | 32 |
|
