| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] | 563549 |
|
| 2 | be [v-ing] [prep] | 79523 |
|
| 3 | be wait [prep] | 1675 |
|
| 4 | [be] waiting [prep] | 1636 |
|
