| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] should [vb infin] | 249 |
|
| 2 | [prep] [Wh pn] should [vb infin] | 54 |
|
| 3 | [Wh pn] [pron] should [vb infin] | 31 |
|
| 4 | [prep] [Wh pn] [pron] should | 29 |
|
