| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] be [v-ing] [prep] [det] | 291 |
|
| 2 | [pers pn] [verb] be [v-ing] [prep] [det] | 256 |
|
| 3 | it [verb] be [verb] [prep] [det] | 151 |
|
| 4 | it [verb] be [v-ing] [prep] [adj] | 31 |
|
| 5 | it [verb] be [v-ing] [prep] [det] | 10 |
|
| 6 | it [verb] be [v-ing] [prep] [det] | 10 |
|
| 7 | it [verb] [be] [v-ing] [prep] [det] | 10 |
|
