| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [verb] [that] [pron] | 1440 |
|
| 2 | it [be] [v-ing] [verb] [pron] | 178 |
|
| 3 | [be] [v-ing] [verb] [that] [pron] | 151 |
|
| 4 | it [be] [v-ing] [verb] [that] | 37 |
|
| 5 | it [be] [v-ing] [that] [pron] | 34 |
|
