| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] [prep] [num ord] | 15 |
|
| 2 | should be [verb] [prep] [num ord] | 15 |
|
| 3 | should be [vb pp] [prep] [num ord] | 13 |
|
| 4 | should be [verb] [prep] first | 6 |
|
| 5 | should be [verb] by [num ord] | 5 |
|
