| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [v-ing] | 301 |
|
| 2 | if it [is] [adv] [verb] | 137 |
|
| 3 | if it [is] [adv] [v-ing] | 67 |
|
| 4 | if [pron] [is] [adv] [v-ing] | 55 |
|
| 5 | if it [be] [adv] [v-ing] | 28 |
|
