| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] to a [noun sg] | 57 |
|
| 2 | should [be] [vb pp] to a minimum | 25 |
|
| 3 | should [be] kept to a [noun sg] | 25 |
|
| 4 | should [be] given to a [noun sg] | 5 |
|
