| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [prep] [noun sg] [noun] | 20 |
|
| 2 | should be [prep] [noun] [noun sg] | 18 |
|
| 3 | should be in [noun] [noun] | 9 |
|
| 4 | should be [prep] [noun prp] [noun] | 9 |
|
| 5 | should be [prep] [noun] [noun prp] | 7 |
|
