| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] [be] [v-ing] [prep] | 709 |
|
| 2 | it [verb] [be] [v-ing] [prep] | 135 |
|
| 3 | [noun sg] it [be] [v-ing] [prep] | 131 |
|
| 4 | [noun sg] it [verb] [be] [prep] | 44 |
|
| 5 | [noun sg] it [verb] [be] [v-ing] | 25 |
|
