| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] [noun sg] | 2284 |
|
| 2 | [v-ing] it [prep] [noun sg] | 601 |
|
| 3 | [v-ing] [be] [prep] [noun sg] | 91 |
|
| 4 | [v-ing] it [be] [noun sg] | 67 |
|
| 5 | [v-ing] it [be] [prep] | 50 |
|
