| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be used for [noun] | 15 |
|
| 2 | should be used for [noun] | 15 |
|
| 3 | should [be] used for [noun] | 15 |
|
| 4 | should [be] used for [noun sg] | 10 |
|
| 5 | should [be] used for [noun pl] | 5 |
|
