| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [prep] a | 2162 |
|
| 2 | should [verb] [prep] a | 445 |
|
| 3 | should not [verb] [prep] | 371 |
|
| 4 | should not [verb] a | 103 |
|
