| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] but it [be] | 15 |
|
| 2 | be [v-ing] but it be | 15 |
|
| 3 | be [v-ing] but it [is] | 11 |
|
| 4 | be [v-ing] but it 's | 8 |
|
