| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] in | 97486 |
|
| 2 | [v-ing] be [verb] | 2568 |
|
| 3 | [v-ing] [verb] in | 1660 |
|
| 4 | [v-ing] be in | 114 |
|
