| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [verb] to | 10340 |
|
| 2 | [vb mod] be [v-ing] to | 603 |
|
| 3 | [vb mod] be happening [prep] | 19 |
|
| 4 | [vb mod] be happening [prep] | 19 |
|
| 5 | [vb mod] be happening to | 8 |
|
| 6 | [vb mod] be happen to | 8 |
|
| 7 | [modal v] be happening to | 8 |
|
| 8 | [vb mod] [be] happening to | 8 |
|
