| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [art] [noun] | 15800 |
|
| 2 | then [be] [art] [noun] | 180 |
|
| 3 | [modal v] then [be] [art] | 84 |
|
| 4 | [modal v] then [be] [noun] | 10 |
|
