| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [prep] [art] same | 21 |
|
| 2 | must be [vb pp] [prep] [art] same | 20 |
|
| 3 | must be [prep] [art] same [noun sg] | 10 |
|
| 4 | must be [prep] [art] same [noun] | 10 |
|
