| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [v-ing] [verb] | 1211 |
|
| 2 | be [v-ing] [verb] [noun sg] | 1186 |
|
| 3 | it be [verb] [noun sg] | 700 |
|
| 4 | it be [v-ing] [noun sg] | 295 |
|
| 5 | it [v-ing] [verb] [noun sg] | 5 |
|
