| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [is] [adv] [v-ing] | 71 |
|
| 2 | but it [is] [adv] [conj] | 53 |
|
| 3 | it [is] [adv] [v-ing] [conj] | 47 |
|
| 4 | but it [is] [v-ing] [conj] | 6 |
|
