| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [not/n't] be [v-ing] | 6 |
|
| 2 | it should [not/n't] [be] [v-ing] | 6 |
|
| 3 | it should [not/n't] be [v-ing] | 6 |
|
| 4 | it should [not/n't] [be] [v-ing] | 6 |
|
| 5 | it should n't [be] [v-ing] | 5 |
|
