| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] [verb] that | 70 |
|
| 2 | it be [adv] [v-ing] that | 47 |
|
| 3 | it [be] [adv] [v-ing] that | 47 |
|
| 4 | it 's [adv] [v-ing] [conj] | 32 |
|
| 5 | it [is] [adv] [v-ing] that | 31 |
|
| 6 | [pron] 's [adv] [v-ing] that | 21 |
|
| 7 | [pers pn] 's [adv] [v-ing] that | 21 |
|
| 8 | it 's [adv] [v-ing] that | 8 |
|
