| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [vb infin] | 2111 |
|
| 2 | [vb -s] they should | 36 |
|
| 3 | [vb -s] should [vb infin] | 35 |
|
| 4 | [vb -s] they [vb infin] | 8 |
|
