| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [v-ing] [adj] [noun] | 7 |
|
| 2 | it had be [v-ing] [adj] [noun] | 6 |
|
| 3 | it [vb past] been [v-ing] [adj] [noun] | 6 |
|
| 4 | it [vb past] be [v-ing] [adj] [noun sg] | 6 |
|
| 5 | it [vb past] be [v-ing] [det] [noun] | 5 |
|
