| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [been] [v-ing] | 414 |
|
| 2 | it [verb] been [v-ing] | 414 |
|
| 3 | it [vb -s] [been] [v-ing] | 283 |
|
| 4 | it 's [been] [v-ing] | 151 |
|
| 5 | it has [been] [v-ing] | 132 |
|
| 6 | it [vb past] [been] [v-ing] | 128 |
|
| 7 | it had [been] [v-ing] | 125 |
|
| 8 | it [verb] [been] going | 60 |
|
| 9 | it [verb] [been] raining | 27 |
|
| 10 | it [verb] [been] working | 17 |
|
| 11 | it [verb] [been] running | 12 |
|
| 12 | it [verb] [been] doing | 9 |
|
| 13 | it [verb] [been] happening | 9 |
|
| 14 | it [verb] [been] sitting | 8 |
|
| 15 | it [verb] [been] standing | 7 |
|
| 16 | it [verb] [been] developing | 7 |
|
| 17 | it [verb] [been] lying | 7 |
|
| 18 | it [verb] [been] playing | 6 |
|
| 19 | it [verb] [been] building | 6 |
|
| 20 | it [verb] [been] coming | 6 |
|
| 21 | it [verb] [been] operating | 6 |
|
| 22 | it [verb] [been] holding | 6 |
|
| 23 | it [verb] [been] getting | 6 |
|
| 24 | it [verb] [been] travelling | 5 |
|
| 25 | it [verb] [been] hanging | 5 |
|
| 26 | it [verb] [been] making | 5 |
|
| 27 | it [verb] [been] snowing | 5 |
|
| 28 | it [verb] [been] selling | 5 |
|
