| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [prep] a [noun] | 352 |
|
| 2 | should [be] [prep] a [noun] | 82 |
|
| 3 | should [adv] [be] a [noun] | 52 |
|
| 4 | should [adv] [be] [prep] [noun] | 31 |
|
| 5 | should [adv] [be] [prep] a | 14 |
|
