| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [adv] one [noun sg] | 6 |
|
| 2 | should [be] [adv] one [noun] | 6 |
|
| 3 | should be [adv] one [noun] | 6 |
|
| 4 | should [be] only one [noun] | 5 |
|
