| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [conj] it [be] [v-ing] | 77 |
|
| 2 | [subord] [conj] it [be] [v-ing] | 52 |
|
| 3 | [vb -s] [subord] [conj] it [be] | 50 |
|
| 4 | [vb -s] [subord] it [be] [v-ing] | 25 |
|
