| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] a [noun sg] | 503 |
|
| 2 | [be] [adv] a [noun sg] | 371 |
|
| 3 | should [be] [adv] a | 29 |
|
| 4 | should [be] [adv] [noun sg] | 9 |
|
