| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [verb] been [v-ing] [prep] | 16 |
|
| 2 | [subord] it [verb] be [v-ing] [prep] | 16 |
|
| 3 | [subord] it have [be] [v-ing] [prep] | 16 |
|
| 4 | [subord] it [verb] [been] [v-ing] [prep] | 16 |
|
| 5 | [subord] it [verb] [be] [v-ing] for | 8 |
|
| 6 | [subord] it [vb past] [be] [v-ing] [prep] | 8 |
|
| 7 | [subord] it [vb -s] [be] [v-ing] [prep] | 8 |
|
| 8 | [subord] it had [be] [v-ing] [prep] | 8 |
|
| 9 | [subord] it 's [be] [v-ing] [prep] | 6 |
|
