| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] [prep] [art] [noun] | 20131 |
|
| 2 | [modal v] [be] [verb] [prep] [art] [noun] | 20131 |
|
| 3 | [modal v] [be] [verb] at [art] [noun] | 1010 |
|
| 4 | [modal v] [be] [verb] at [art] [noun] | 1010 |
|
