| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [prep] a [noun] | 716 |
|
| 2 | [modal v] [be] [adv] a [noun] | 263 |
|
| 3 | [be] [prep] [adv] a [noun] | 159 |
|
| 4 | [modal v] [be] [prep] [adv] [noun] | 49 |
|
| 5 | [modal v] [be] [prep] [adv] a | 32 |
|
