| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [v-ing] | 655 |
|
| 2 | it [adv] it [is] | 78 |
|
| 3 | it [adv] [is] [v-ing] | 23 |
|
| 4 | it it [is] [v-ing] | 16 |
|
