| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [vb infin] [art] | 323 |
|
| 2 | should [vb infin] on [art] | 172 |
|
| 3 | they should [vb infin] on | 24 |
|
| 4 | they [vb infin] on [art] | 13 |
|
