| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we should [be] [v-ing] | 309 |
|
| 2 | should [not/n't] [be] [v-ing] | 226 |
|
| 3 | we should [not/n't] [be] | 137 |
|
| 4 | we [not/n't] [be] [v-ing] | 7 |
|
