| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] should be [verb] | 5192 |
|
| 2 | [noun pl] [modal v] be [v-ing] | 1312 |
|
| 3 | [noun] should be [v-ing] | 368 |
|
| 4 | [noun pl] should [be] [v-ing] | 117 |
|
