| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [det] | 317 |
|
| 2 | [be] [pron] [det] | 272 |
|
| 3 | should [be] [pron] | 227 |
|
| 4 | should [pron] [det] | 9 |
|
