| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [v-ing] | 7295 |
|
| 2 | it [is] that | 804 |
|
| 3 | [is] [v-ing] that | 548 |
|
| 4 | it [v-ing] that | 17 |
|
