| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should not [vb infin] a | 155 |
|
| 2 | should not [vb infin] a | 103 |
|
| 3 | should n't [vb infin] a | 52 |
|
| 4 | should not have a | 26 |
|
| 5 | should not make a | 11 |
|
| 6 | should not become a | 5 |
|
| 7 | should not use a | 5 |
|
