| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [not/n't] [adv] [be] [v-ing] | 18 |
|
| 2 | should [not/n't] [adv] be [v-ing] | 18 |
|
| 3 | should n't [adv] [be] [v-ing] | 14 |
|
| 4 | should [not/n't] really [be] [v-ing] | 9 |
|
