| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] for the | 125 |
|
| 2 | should be [vb pp] for the | 120 |
|
| 3 | [modal v] be used for the | 73 |
|
| 4 | should be used [prep] the | 28 |
|
| 5 | should be used for [art] | 14 |
|
| 6 | should be used for [art] | 14 |
|
| 7 | should [be] used for the | 11 |
|
| 8 | should be use for the | 11 |
|
| 9 | should be used for the | 11 |
|
