| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] [vb infin] | 8471 |
|
| 2 | they should [vb infin] | 2148 |
|
| 3 | they should [adv] | 851 |
|
| 4 | they [adv] [vb infin] | 529 |
|
