| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [v-ing] [prep] [det] [noun] | 14 |
|
| 2 | should [be] [v-ing] [prep] [det] [noun sg] | 9 |
|
| 3 | should [be] [v-ing] [prep] this [noun] | 6 |
|
| 4 | should [be] [v-ing] [prep] [det] [noun pl] | 5 |
|
