| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] for [art] [adj] | 48 |
|
| 2 | should be [vb pp] for [art] [adj] | 43 |
|
| 3 | [modal v] be used for [art] [adj] | 43 |
|
| 4 | should be used [prep] [art] [adj] | 20 |
|
| 5 | should be used [prep] [art] [adj] | 20 |
|
| 6 | should be used for [art] [adj] | 5 |
|
| 7 | should be use for [art] [adj] | 5 |
|
| 8 | should be used for [art] [adj] | 5 |
|
| 9 | should [be] used for [art] [adj] | 5 |
|
