| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] | 79370 |
|
| 2 | [v-ing] it [adv] | 4988 |
|
| 3 | [v-ing] it [is] | 777 |
|
| 4 | [v-ing] [is] [adv] | 704 |
|
