| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] they should [adv] | 13 |
|
| 2 | [vb past] they should [adv] | 13 |
|
| 3 | [vb past] they should [not/n't] | 8 |
|
| 4 | [vb past] they should not | 8 |
|
| 5 | [vb past] they should not | 6 |
|
| 6 | [vb past] they should [adv] | 5 |
|
