| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adj] [noun] | 8577 |
|
| 2 | be [adj] [noun] [v-ing] | 1599 |
|
| 3 | it be [adj] [v-ing] | 359 |
|
| 4 | it be [noun] [v-ing] | 128 |
|
| 5 | it [adj] [noun] [v-ing] | 13 |
|
