| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [subord] a [noun sg] should | 12 |
|
| 2 | [prep] whether a [noun sg] should | 11 |
|
| 3 | [prep] [subord] a [noun sg] should | 9 |
|
| 4 | on [subord] a [noun sg] should | 5 |
|
| 5 | on [subord] a [noun sg] should | 5 |
|
