| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [be] [adv] [v-ing] | 139 |
|
| 2 | [adv] it [be] [adv] [conj] | 134 |
|
| 3 | it [be] [adv] [v-ing] [conj] | 76 |
|
| 4 | [adv] it [be] [v-ing] [conj] | 29 |
|
| 5 | [adv] [be] [adv] [v-ing] [conj] | 8 |
|
