| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] | 79523 |
|
| 2 | be [v-ing] [prep] | 71140 |
|
| 3 | be [verb] of | 10630 |
|
| 4 | [be] [v-ing] of | 1521 |
|
| 5 | be [v-ing] of | 1520 |
|
