| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] | 21170 |
|
| 2 | be [v-ing] of | 1520 |
|
| 3 | [verb] be of | 608 |
|
| 4 | [verb] [v-ing] of | 183 |
|
