| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] to | 1848 |
|
| 2 | should be [vb pp] to | 1810 |
|
| 3 | [modal v] be attached to | 112 |
|
| 4 | should be attached [prep] | 22 |
|
| 5 | should be attached [prep] | 22 |
|
| 6 | should [be] attached to | 21 |
|
| 7 | should be attached to | 21 |
|
| 8 | should be attached to | 21 |
|
| 9 | should be attach to | 21 |
|
| 10 | should [be] attached to | 21 |
|
