| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [verb] [verb] [adj] [noun] | 310 |
|
| 2 | [vb mod] [verb] provide [adj] [noun] | 66 |
|
| 3 | [modal v] [verb] provide [adj] [noun] | 66 |
|
| 4 | should [verb] provide [adj] [noun] | 8 |
|
