| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] be [prep] | 572 |
|
| 2 | [pron] should be [prep] | 476 |
|
| 3 | they should be [prep] | 52 |
|
| 4 | they should [be] [prep] | 52 |
|
| 5 | they should be [prep] | 51 |
|
| 6 | they should [be] [prep] | 51 |
|
