| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] [vb infin] [art] | 1237 |
|
| 2 | should [adv] [verb] [art] | 1237 |
|
| 3 | [modal v] [adv] use [art] | 358 |
|
| 4 | should [adv] use [art] | 20 |
|
| 5 | should [adv] use [art] | 20 |
|
