| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which should be [prep] | 23 |
|
| 2 | which should [be] [prep] | 23 |
|
| 3 | which should be [prep] | 23 |
|
| 4 | which should [be] of | 9 |
|
| 5 | which should [be] in | 6 |
|
