| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [v-ing] [prep] | 3169 |
|
| 2 | be [v-ing] [prep] our | 262 |
|
| 3 | it be [prep] our | 109 |
|
| 4 | it be [v-ing] our | 15 |
|
