| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [is] [vb pp] [det] | 7 |
|
| 2 | but it [is] [v-ing] [det] | 7 |
|
| 3 | but it 's [verb] [det] | 7 |
|
| 4 | but it is [verb] [det] | 7 |
|
| 5 | but it [is] [verb] that | 5 |
|
