| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] to the [noun] | 458 |
|
| 2 | [modal v] be refer to the [noun] | 39 |
|
| 3 | should be refer to [art] [noun] | 19 |
|
| 4 | should be refer to [art] [noun] | 19 |
|
| 5 | should [be] refer to the [noun] | 13 |
|
| 6 | should be refer [prep] the [noun] | 13 |
|
| 7 | should be refer to the [noun] | 13 |
|
| 8 | should be refer [prep] the [noun] | 13 |
|
| 9 | should [be] refer to the [noun] | 13 |
|
| 10 | should be refer to the [noun] | 13 |
|
| 11 | should be refer to the [noun] | 13 |
|
