| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [vb infin] [verb] | 297 |
|
| 2 | they should [vb infin] their | 72 |
|
| 3 | they should [verb] their | 72 |
|
| 4 | should [vb infin] [verb] their | 60 |
|
| 5 | they [vb infin] [verb] their | 13 |
|
