| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] about [n mass] | 12 |
|
| 2 | should be about [noun] | 12 |
|
| 3 | should [be] about [noun] | 12 |
|
| 4 | should be about [noun] | 12 |
|
| 5 | should [be] about [noun] | 12 |
|
